Peaceultime/flecs_tests
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Add copy/paste, rewrite rendering pipeline with instanced draw calls and add a lot of caching to minimize overhead on huge edits.

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This commit is contained in:
Peaceultime
2026-05-01 00:10:19 +02:00
parent e71641c094
commit c4d657043c
17 changed files with 2917 additions and 289 deletions
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1831
diff_output.patch Normal file
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File diff suppressed because it is too large Load Diff

15
src/api.h
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@@ -27,6 +27,21 @@
#include "generated/sprite.h" #include "generated/sprite.h"
#include "generated/shape.h" #include "generated/shape.h"
#include "generated/overlay.h"
// Log-to-panel infrastructure
static void (*g_panel_log_fn)(void*, int, const char*) = NULL;
static void *g_panel_log_ud = NULL;
static void panel_log(int level, const char *fmt, ...) {
if (!g_panel_log_fn) return;
char buf[256];
va_list ap;
va_start(ap, fmt);
vsnprintf(buf, sizeof(buf), fmt, ap);
va_end(ap);
g_panel_log_fn(g_panel_log_ud, level, buf);
}
#include "util.h" #include "util.h"
#include "shape.h" #include "shape.h"

103
src/draw.h
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@@ -9,20 +9,109 @@ static void draw_shapes(userdata_t *ud)
if (g_shape_pool_dirty) if (g_shape_pool_dirty)
shape_pool_rebuild(&ud->shapes); shape_pool_rebuild(&ud->shapes);
if (ud->shapes.count == 0) return; int n = ud->shapes.count;
if (n == 0) return;
if (g_shape_data_dirty) {
shape_upload_data(&ud->shapes);
g_shape_data_dirty = false;
}
panel_log(3, "[shapes] draw_shapes: n=%d pipeline=%d", n, shape_pipeline.id);
static uint32_t *imap = NULL;
static int imap_cap = 0;
static uint32_t *ne_counts = NULL;
static uint32_t *ne_starts = NULL;
static int ne_cap = 0;
if (n > imap_cap) {
if (imap) FREE(imap);
imap = (uint32_t*) ALLOC((size_t)n * sizeof(uint32_t));
imap_cap = n;
}
// Group shapes by num_elements using counting sort
uint32_t max_ne = 0;
for (int i = 0; i < n; i++) {
uint32_t ne = ((shape_t*) vec_get(&ud->shapes, i))->num_elements;
if (ne > max_ne) max_ne = ne;
}
int ne_size = (int)(max_ne + 1);
if (ne_size > ne_cap) {
if (ne_counts) FREE(ne_counts);
if (ne_starts) FREE(ne_starts);
ne_counts = (uint32_t*) ALLOC((size_t)ne_size * sizeof(uint32_t));
ne_starts = (uint32_t*) ALLOC((size_t)ne_size * sizeof(uint32_t));
ne_cap = ne_size;
}
memset(ne_counts, 0, (size_t)ne_size * sizeof(uint32_t));
for (int i = 0; i < n; i++) {
uint32_t ne = ((shape_t*) vec_get(&ud->shapes, i))->num_elements;
ne_counts[ne]++;
}
uint32_t pos = 0;
for (uint32_t ne = 0; ne <= max_ne; ne++) {
ne_starts[ne] = pos;
pos += ne_counts[ne];
ne_counts[ne] = 0;
}
for (int i = 0; i < n; i++) {
uint32_t ne = ((shape_t*) vec_get(&ud->shapes, i))->num_elements;
imap[ne_starts[ne] + ne_counts[ne]++] = (uint32_t)i;
}
shape_upload_instance_map(imap, n);
sg_apply_pipeline(shape_pipeline); sg_apply_pipeline(shape_pipeline);
sg_apply_bindings(&(sg_bindings){
.vertex_buffers[0] = g_shape_vbuf, int base = 0;
.index_buffer = g_shape_ibuf, while (base < n) {
}); shape_t *s = (shape_t*) vec_get(&ud->shapes, imap[base]);
for (int i = 0; i < ud->shapes.count; i++) { uint32_t ne = s->num_elements;
shape_draw((shape_t*) vec_get(&ud->shapes, i), &ud->renderer.uniform.mvp); int count = 1;
while (base + count < n &&
((shape_t*) vec_get(&ud->shapes, imap[base + count]))->num_elements == ne)
count++;
// Find the vertex buffer for this num_elements
sg_buffer group_vbuf = {0};
for (int gi = 0; gi < g_shape_group_count; gi++) {
if (g_shape_groups[gi].num_elements == ne) {
group_vbuf = g_shape_groups[gi].vbuf;
break;
} }
} }
struct { mat4 mvp; uint32_t base; uint8_t _pad[12]; } vs_u;
memcpy(vs_u.mvp, ud->renderer.uniform.mvp, sizeof(mat4));
vs_u.base = (uint32_t)base;
memset(vs_u._pad, 0, 12);
sg_apply_uniforms(0, &SG_RANGE(vs_u));
sg_apply_bindings(&(sg_bindings){
.vertex_buffers[0] = group_vbuf,
.views[0] = g_shape_data_view,
.views[1] = g_instance_map_view,
});
panel_log(3, "[shapes] draw group: ne=%u count=%d base=%d vbuf=%d data_view=%d imap_view=%d",
ne, count, base, group_vbuf.id, g_shape_data_view.id, g_instance_map_view.id);
sg_draw(0, (int)ne, count);
base += count;
}
}
static void draw_overlay_and_handles(userdata_t *ud, bool has_overlay, bool show_handle) static void draw_overlay_and_handles(userdata_t *ud, bool has_overlay, bool show_handle)
{ {
sg_apply_pipeline(overlay_pipeline);
panel_log(3, "[shapes] draw_overlay: pipeline=%d has_ov=%d show_h=%d",
overlay_pipeline.id, has_overlay, show_handle);
if (has_overlay) { if (has_overlay) {
shape_uniform_t u; shape_uniform_t u;
glm_mat4_identity(u.transform); glm_mat4_identity(u.transform);

91
src/generated/overlay.h Normal file
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@@ -0,0 +1,91 @@
unsigned char src_shaders_overlay_wgsl[] = {
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};
unsigned int src_shaders_overlay_wgsl_len = 1045;

171
src/generated/shape.h
View File

@@ -2,90 +2,109 @@ unsigned char src_shaders_shape_wgsl[] = {
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0x0a, 0x20, 0x20, 0x20, 0x20, 0x72, 0x65, 0x74, 0x75, 0x72, 0x6e, 0x20, 0x7d, 0x0a
0x6f, 0x75, 0x74, 0x70, 0x75, 0x74, 0x3b, 0x0a, 0x7d, 0x0a, 0x0a, 0x40,
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0x74, 0x3a, 0x20, 0x56, 0x73, 0x32, 0x46, 0x73, 0x29, 0x20, 0x2d, 0x3e,
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0x0a
}; };
unsigned int src_shaders_shape_wgsl_len = 1045; unsigned int src_shaders_shape_wgsl_len = 1274;

77
src/history.h
View File

@@ -3,6 +3,8 @@
#include "api.h" #include "api.h"
#define HISTORY_MAX_DEPTH 256
typedef enum { typedef enum {
HIST_POSITION, HIST_POSITION,
HIST_SCALE, HIST_SCALE,
@@ -103,6 +105,17 @@ static void history_push_entry(history_t *h, hist_entry_t entry) {
*((hist_entry_t*) vec_push(&h->entries)) = entry; *((hist_entry_t*) vec_push(&h->entries)) = entry;
h->current = h->entries.count - 1; h->current = h->entries.count - 1;
while (h->entries.count > HISTORY_MAX_DEPTH) {
hist_entry_t *e = (hist_entry_t*) vec_get(&h->entries, 0);
if (e->changes) {
for (int j = 0; j < e->count; j++)
hist_free_change(&e->changes[j]);
FREE(e->changes);
}
vec_remove_ordered(&h->entries, 0);
h->current--;
}
} }
static void history_begin_edit(history_t *h, vector_t *shapes, static void history_begin_edit(history_t *h, vector_t *shapes,
@@ -180,14 +193,9 @@ static void history_batch_add(hist_batch_t *batch, int shape_index, hist_prop_t
// Used for HIST_CREATE and HIST_DELETE entries. // Used for HIST_CREATE and HIST_DELETE entries.
// old_val = { kind, cx, cy, num_verts } // old_val = { kind, cx, cy, num_verts }
// new_val = { sx, sy, rotation, group_id } // new_val = { sx, sy, rotation, group_id }
// For procedural shapes (CIRCLE, STAR, RECTANGLE), vertices are reconstructed
// from parameters instead of deep-copied. For STAR, new_val[1] stores inner_r.
static void hist_snapshot_shape_verts(hist_change_t *c, shape_t *s) { static void hist_snapshot_shape_verts(hist_change_t *c, shape_t *s) {
int n = (int)s->num_elements;
c->vertex_count = n;
c->index_count = n;
c->vertex_data = (shape_vertex_t*) ALLOC((size_t)n * sizeof(shape_vertex_t));
c->index_data = (uint16_t*) ALLOC((size_t)n * sizeof(uint16_t));
memcpy(c->vertex_data, s->verts, (size_t)n * sizeof(shape_vertex_t));
memcpy(c->index_data, s->indices, (size_t)n * sizeof(uint16_t));
c->old_val[0] = (float)s->kind; c->old_val[0] = (float)s->kind;
c->old_val[1] = s->cx; c->old_val[1] = s->cx;
c->old_val[2] = s->cy; c->old_val[2] = s->cy;
@@ -196,6 +204,28 @@ static void hist_snapshot_shape_verts(hist_change_t *c, shape_t *s) {
c->new_val[1] = s->sy; c->new_val[1] = s->sy;
c->new_val[2] = s->rotation; c->new_val[2] = s->rotation;
c->new_val[3] = (float)s->group_id; c->new_val[3] = (float)s->group_id;
if (s->kind == SHAPE_GENERIC) {
int n = (int)s->num_elements;
c->vertex_count = n;
c->index_count = n;
c->vertex_data = (shape_vertex_t*) ALLOC((size_t)n * sizeof(shape_vertex_t));
c->index_data = (uint16_t*) ALLOC((size_t)n * sizeof(uint16_t));
memcpy(c->vertex_data, s->verts, (size_t)n * sizeof(shape_vertex_t));
memcpy(c->index_data, s->indices, (size_t)n * sizeof(uint16_t));
} else if (s->kind == SHAPE_STAR) {
float inner_ratio = sqrtf(s->verts[1].x * s->verts[1].x + s->verts[1].y * s->verts[1].y);
c->new_val[1] = inner_ratio * s->sx;
c->vertex_count = 0;
c->index_count = 0;
c->vertex_data = NULL;
c->index_data = NULL;
} else {
c->vertex_count = 0;
c->index_count = 0;
c->vertex_data = NULL;
c->index_data = NULL;
}
} }
// Append a CREATE or DELETE entry to a batch, snapshotting the shape's vertex data. // Append a CREATE or DELETE entry to a batch, snapshotting the shape's vertex data.
@@ -214,29 +244,48 @@ static void history_batch_commit(hist_batch_t *batch, history_t *h) {
// Reconstruct a shape_t from a HIST_CREATE / HIST_DELETE change snapshot. // Reconstruct a shape_t from a HIST_CREATE / HIST_DELETE change snapshot.
static shape_t hist_rebuild_shape_from_snapshot(const hist_change_t *c) { static shape_t hist_rebuild_shape_from_snapshot(const hist_change_t *c) {
float cx = c->old_val[1], cy = c->old_val[2];
float sx = c->new_val[0], rot = c->new_val[2];
int gid = (int)c->new_val[3];
shape_t s; shape_t s;
switch ((int)c->old_val[0]) {
case SHAPE_CIRCLE:
s = shape_circle(cx, cy, sx);
break;
case SHAPE_RECTANGLE:
s = shape_rectangle(cx, cy, sx * 2.0f, c->new_val[1] * 2.0f);
break;
case SHAPE_STAR: {
int points = (int)c->old_val[3] / 2;
s = shape_star(cx, cy, sx, c->new_val[1], points);
break;
}
default: {
memset(&s, 0, sizeof(s)); memset(&s, 0, sizeof(s));
s.kind = (int)c->old_val[0]; s.kind = (int)c->old_val[0];
s.cx = c->old_val[1]; s.cx = cx;
s.cy = c->old_val[2]; s.cy = cy;
s.num_verts = (uint32_t)c->old_val[3]; s.num_verts = (uint32_t)c->old_val[3];
s.num_elements = (uint32_t)c->vertex_count; s.num_elements = (uint32_t)c->vertex_count;
s.sx = c->new_val[0]; s.sx = sx;
s.sy = c->new_val[1]; s.sy = c->new_val[1];
s.rotation = c->new_val[2];
s.group_id = (int)c->new_val[3];
int n = c->vertex_count; int n = c->vertex_count;
s.verts = (shape_vertex_t*) ALLOC((size_t)n * sizeof(shape_vertex_t)); s.verts = (shape_vertex_t*) ALLOC((size_t)n * sizeof(shape_vertex_t));
s.indices = (uint16_t*) ALLOC((size_t)n * sizeof(uint16_t)); s.indices = (uint16_t*) ALLOC((size_t)n * sizeof(uint16_t));
memcpy(s.verts, c->vertex_data, (size_t)n * sizeof(shape_vertex_t)); memcpy(s.verts, c->vertex_data, (size_t)n * sizeof(shape_vertex_t));
memcpy(s.indices, c->index_data, (size_t)n * sizeof(uint16_t)); memcpy(s.indices, c->index_data, (size_t)n * sizeof(uint16_t));
shape_init_common(&s); shape_init_common(&s);
shape_build_transform(&s); shape_build_transform(&s);
shape_make_buffers(&s); shape_make_buffers(&s);
return s; return s;
} }
}
s.rotation = rot;
s.group_id = gid;
shape_build_transform(&s);
return s;
}
static void history_apply_entry(hist_entry_t *entry, vector_t *shapes, bool forward) { static void history_apply_entry(hist_entry_t *entry, vector_t *shapes, bool forward) {
bool has_shape_ops = false; bool has_shape_ops = false;

273
src/input.h
View File

@@ -55,7 +55,7 @@ static void handle_left_down_resize_begin(userdata_t *ud, float wx, float wy, in
int sel_n = 0; int sel_n = 0;
for (int i = 0; i < ud->shapes.count; i++) { for (int i = 0; i < ud->shapes.count; i++) {
shape_t *s = (shape_t*) vec_get(&ud->shapes, i); shape_t *s = (shape_t*) vec_get(&ud->shapes, i);
if (s->selected) { sum_sin += sinf(s->rotation); sum_cos += cosf(s->rotation); sel_n++; } if (s->selected) { sum_sin += s->sin_r; sum_cos += s->cos_r; sel_n++; }
} }
ud->interact.resize.angle = atan2f(sum_sin, sum_cos); ud->interact.resize.angle = atan2f(sum_sin, sum_cos);
@@ -65,7 +65,7 @@ static void handle_left_down_resize_begin(userdata_t *ud, float wx, float wy, in
for (int i = 0; i < ud->shapes.count; i++) { for (int i = 0; i < ud->shapes.count; i++) {
shape_t *s = (shape_t*) vec_get(&ud->shapes, i); shape_t *s = (shape_t*) vec_get(&ud->shapes, i);
if (s->selected) { if (s->selected) {
float sc = cosf(s->rotation), ss = sinf(s->rotation); float sc = s->cos_r, ss = s->sin_r;
float hlx = (ud->interact.resize.start_wx - s->cx) * sc + (ud->interact.resize.start_wy - s->cy) * ss; float hlx = (ud->interact.resize.start_wx - s->cx) * sc + (ud->interact.resize.start_wy - s->cy) * ss;
float hly = -(ud->interact.resize.start_wx - s->cx) * ss + (ud->interact.resize.start_wy - s->cy) * sc; float hly = -(ud->interact.resize.start_wx - s->cx) * ss + (ud->interact.resize.start_wy - s->cy) * sc;
float plx = (ud->interact.resize.pivot_x - s->cx) * sc + (ud->interact.resize.pivot_y - s->cy) * ss; float plx = (ud->interact.resize.pivot_x - s->cx) * sc + (ud->interact.resize.pivot_y - s->cy) * ss;
@@ -92,6 +92,12 @@ static void handle_left_down_rotate_begin(userdata_t *ud, float wx, float wy)
wy - ud->interact.rotate.center_y, wy - ud->interact.rotate.center_y,
wx - ud->interact.rotate.center_x); wx - ud->interact.rotate.center_x);
ud->interact.rotate.total_delta = 0.0f; ud->interact.rotate.total_delta = 0.0f;
ud->interact.drag_indices.count = 0;
for (int i = 0; i < ud->shapes.count; i++) {
if (((shape_t*) vec_get(&ud->shapes, i))->selected)
*(int*) vec_push(&ud->interact.drag_indices) = i;
}
} }
static void handle_left_down_move_begin(userdata_t *ud, float wx, float wy) static void handle_left_down_move_begin(userdata_t *ud, float wx, float wy)
@@ -101,6 +107,12 @@ static void handle_left_down_move_begin(userdata_t *ud, float wx, float wy)
ud->interact.move.start_wy = wy; ud->interact.move.start_wy = wy;
ud->interact.move.total_dx = 0; ud->interact.move.total_dx = 0;
ud->interact.move.total_dy = 0; ud->interact.move.total_dy = 0;
ud->interact.drag_indices.count = 0;
for (int i = 0; i < ud->shapes.count; i++) {
if (((shape_t*) vec_get(&ud->shapes, i))->selected)
*(int*) vec_push(&ud->interact.drag_indices) = i;
}
} }
static void handle_left_down_select_or_marquee(userdata_t *ud, const sapp_event *event, float wx, float wy, float tol) static void handle_left_down_select_or_marquee(userdata_t *ud, const sapp_event *event, float wx, float wy, float tol)
@@ -170,23 +182,19 @@ static void handle_resize_end(userdata_t *ud)
static void handle_rotate_end(userdata_t *ud) static void handle_rotate_end(userdata_t *ud)
{ {
if (ud->interact.rotate.total_delta != 0.0f) { int n = ud->interact.drag_indices.count;
int sel_count = 0; if (n > 0 && ud->interact.rotate.total_delta != 0.0f) {
for (int i = 0; i < ud->shapes.count; i++) {
if (((shape_t*) vec_get(&ud->shapes, i))->selected) sel_count++;
}
float cos_b = cosf(-ud->interact.rotate.total_delta); float cos_b = cosf(-ud->interact.rotate.total_delta);
float sin_b = sinf(-ud->interact.rotate.total_delta); float sin_b = sinf(-ud->interact.rotate.total_delta);
float cx = ud->interact.rotate.center_x; float cx = ud->interact.rotate.center_x;
float cy = ud->interact.rotate.center_y; float cy = ud->interact.rotate.center_y;
hist_batch_t batch; hist_batch_t batch;
history_batch_init(&batch, sel_count * 2); history_batch_init(&batch, n * 2);
for (int i = 0; i < ud->shapes.count; i++) { for (int j = 0; j < n; j++) {
int i = *(int*) vec_get(&ud->interact.drag_indices, j);
shape_t *s = (shape_t*) vec_get(&ud->shapes, i); shape_t *s = (shape_t*) vec_get(&ud->shapes, i);
if (s->selected) {
float dx = s->cx - cx; float dx = s->cx - cx;
float dy = s->cy - cy; float dy = s->cy - cy;
float old_cx = cx + dx * cos_b - dy * sin_b; float old_cx = cx + dx * cos_b - dy * sin_b;
@@ -199,12 +207,12 @@ static void handle_rotate_end(userdata_t *ud)
(float[4]){ s->rotation - ud->interact.rotate.total_delta }, (float[4]){ s->rotation - ud->interact.rotate.total_delta },
(float[4]){ s->rotation }); (float[4]){ s->rotation });
} }
}
history_batch_commit(&batch, &ud->history); history_batch_commit(&batch, &ud->history);
} }
ud->interact.rotate.dragging = false; ud->interact.rotate.dragging = false;
ud->interact.drag_indices.count = 0;
update_shape_states(ud); update_shape_states(ud);
spatial_mark_dirty(&ud->spatial_grid); spatial_mark_dirty(&ud->spatial_grid);
ud->interact.aabb_cached = false; ud->interact.aabb_cached = false;
@@ -213,28 +221,24 @@ static void handle_rotate_end(userdata_t *ud)
static void handle_move_end(userdata_t *ud) static void handle_move_end(userdata_t *ud)
{ {
if (ud->interact.move.total_dx != 0.0f || ud->interact.move.total_dy != 0.0f) { int n = ud->interact.drag_indices.count;
int sel_count = 0; if (n > 0 && (ud->interact.move.total_dx != 0.0f || ud->interact.move.total_dy != 0.0f)) {
for (int i = 0; i < ud->shapes.count; i++) {
if (((shape_t*) vec_get(&ud->shapes, i))->selected) sel_count++;
}
hist_batch_t batch; hist_batch_t batch;
history_batch_init(&batch, sel_count); history_batch_init(&batch, n);
for (int i = 0; i < ud->shapes.count; i++) { for (int j = 0; j < n; j++) {
int i = *(int*) vec_get(&ud->interact.drag_indices, j);
shape_t *s = (shape_t*) vec_get(&ud->shapes, i); shape_t *s = (shape_t*) vec_get(&ud->shapes, i);
if (s->selected) {
history_batch_add(&batch, i, HIST_POSITION, history_batch_add(&batch, i, HIST_POSITION,
(float[4]){ s->cx - ud->interact.move.total_dx, s->cy - ud->interact.move.total_dy }, (float[4]){ s->cx - ud->interact.move.total_dx, s->cy - ud->interact.move.total_dy },
(float[4]){ s->cx, s->cy }); (float[4]){ s->cx, s->cy });
} }
}
history_batch_commit(&batch, &ud->history); history_batch_commit(&batch, &ud->history);
} }
ud->interact.move.dragging = false; ud->interact.move.dragging = false;
ud->interact.drag_indices.count = 0;
update_shape_states(ud); update_shape_states(ud);
spatial_mark_dirty(&ud->spatial_grid); spatial_mark_dirty(&ud->spatial_grid);
ud->interact.aabb_cached = false; ud->interact.aabb_cached = false;
@@ -306,7 +310,7 @@ static void handle_resize_drag(userdata_t *ud, const sapp_event *event)
resize_init_t *ini = &ud->interact.resize.init[j]; resize_init_t *ini = &ud->interact.resize.init[j];
shape_t *s = (shape_t*) vec_get(&ud->shapes, ini->idx); shape_t *s = (shape_t*) vec_get(&ud->shapes, ini->idx);
float sc = cosf(s->rotation), ss = sinf(s->rotation); float sc = s->cos_r, ss = s->sin_r;
float mlx = (wx - ini->init_cx) * sc + (wy - ini->init_cy) * ss; float mlx = (wx - ini->init_cx) * sc + (wy - ini->init_cy) * ss;
float mly = -(wx - ini->init_cx) * ss + (wy - ini->init_cy) * sc; float mly = -(wx - ini->init_cx) * ss + (wy - ini->init_cy) * sc;
@@ -351,9 +355,9 @@ static void handle_rotate_drag(userdata_t *ud, const sapp_event *event)
float cx = ud->interact.rotate.center_x; float cx = ud->interact.rotate.center_x;
float cy = ud->interact.rotate.center_y; float cy = ud->interact.rotate.center_y;
for (int i = 0; i < ud->shapes.count; i++) { for (int j = 0; j < ud->interact.drag_indices.count; j++) {
int i = *(int*) vec_get(&ud->interact.drag_indices, j);
shape_t *s = (shape_t*) vec_get(&ud->shapes, i); shape_t *s = (shape_t*) vec_get(&ud->shapes, i);
if (s->selected) {
float dx = s->cx - cx; float dx = s->cx - cx;
float dy = s->cy - cy; float dy = s->cy - cy;
s->cx = cx + dx * cos_a - dy * sin_a; s->cx = cx + dx * cos_a - dy * sin_a;
@@ -362,7 +366,6 @@ static void handle_rotate_drag(userdata_t *ud, const sapp_event *event)
shape_build_transform(s); shape_build_transform(s);
shape_set_state(s, false, true); shape_set_state(s, false, true);
} }
}
ud->interact.rotate.total_delta = delta; ud->interact.rotate.total_delta = delta;
} }
@@ -376,15 +379,14 @@ static void handle_move_drag(userdata_t *ud, const sapp_event *event)
float delta_x = dx - ud->interact.move.total_dx; float delta_x = dx - ud->interact.move.total_dx;
float delta_y = dy - ud->interact.move.total_dy; float delta_y = dy - ud->interact.move.total_dy;
for (int i = 0; i < ud->shapes.count; i++) { for (int j = 0; j < ud->interact.drag_indices.count; j++) {
int i = *(int*) vec_get(&ud->interact.drag_indices, j);
shape_t *s = (shape_t*) vec_get(&ud->shapes, i); shape_t *s = (shape_t*) vec_get(&ud->shapes, i);
if (s->selected) {
s->cx += delta_x; s->cx += delta_x;
s->cy += delta_y; s->cy += delta_y;
shape_build_transform(s); shape_retranslate(s);
shape_set_state(s, false, true); shape_set_state(s, false, true);
} }
}
ud->interact.move.total_dx = dx; ud->interact.move.total_dx = dx;
ud->interact.move.total_dy = dy; ud->interact.move.total_dy = dy;
@@ -411,6 +413,35 @@ static void handle_marquee_drag(userdata_t *ud, const sapp_event *event)
&ud->spatial_grid, &ud->shapes, &ud->spatial_grid, &ud->shapes,
min_x, min_y, max_x, max_y); min_x, min_y, max_x, max_y);
if (ud->interact.focused_group_id == 0) {
int cap = ud->shapes.count;
int *gids = (int*) ALLOC((size_t)cap * sizeof(int));
int n_gids = 0;
for (int i = 0; i < ud->shapes.count; i++) {
shape_t *s = (shape_t*) vec_get(&ud->shapes, i);
if (!s->selected || s->group_id == 0) continue;
int topmost = get_topmost_group(&ud->groups, s->group_id);
bool found = false;
for (int j = 0; j < n_gids; j++) {
if (gids[j] == topmost) { found = true; break; }
}
if (!found) gids[n_gids++] = topmost;
}
for (int j = 0; j < n_gids; j++) {
for (int i = 0; i < ud->shapes.count; i++) {
shape_t *s = (shape_t*) vec_get(&ud->shapes, i);
if (is_shape_in_group_hierarchy(s->group_id, gids[j], &ud->groups))
s->selected = true;
}
}
FREE(gids);
ud->interact.selected_count = 0;
for (int i = 0; i < ud->shapes.count; i++) {
if (((shape_t*) vec_get(&ud->shapes, i))->selected)
ud->interact.selected_count++;
}
}
for (int i = 0; i < ud->shapes.count; i++) { for (int i = 0; i < ud->shapes.count; i++) {
shape_t *s = (shape_t*) vec_get(&ud->shapes, i); shape_t *s = (shape_t*) vec_get(&ud->shapes, i);
shape_set_state(s, false, s->selected); shape_set_state(s, false, s->selected);
@@ -435,16 +466,179 @@ static void handle_hover(userdata_t *ud, const sapp_event *event)
if (hovered >= 0) { if (hovered >= 0) {
shape_t *hs = (shape_t*) vec_get(&ud->shapes, hovered); shape_t *hs = (shape_t*) vec_get(&ud->shapes, hovered);
hovered_gid = hs->group_id; hovered_gid = hs->group_id;
if (hovered_gid != 0 && ud->interact.focused_group_id == 0)
hovered_gid = get_topmost_group(&ud->groups, hovered_gid);
} }
for (int i = 0; i < ud->shapes.count; i++) { for (int i = 0; i < ud->shapes.count; i++) {
shape_t *s = (shape_t*) vec_get(&ud->shapes, i); shape_t *s = (shape_t*) vec_get(&ud->shapes, i);
bool in_group = (ud->interact.focused_group_id == 0 && bool in_group = (ud->interact.focused_group_id == 0 &&
hovered_gid != 0 && s->group_id == hovered_gid); hovered_gid != 0 &&
is_shape_in_group_hierarchy(s->group_id, hovered_gid, &ud->groups));
shape_set_state(s, (i == hovered || in_group), s->selected); shape_set_state(s, (i == hovered || in_group), s->selected);
} }
} }
// -- clipboard --
static shape_t clipboard_deep_copy_shape(const shape_t *src)
{
shape_t dst = *src;
dst.verts = (shape_vertex_t*) ALLOC((size_t)src->num_elements * sizeof(shape_vertex_t));
dst.indices = (uint16_t*) ALLOC((size_t)src->num_elements * sizeof(uint16_t));
memcpy(dst.verts, src->verts, (size_t)src->num_elements * sizeof(shape_vertex_t));
memcpy(dst.indices, src->indices, (size_t)src->num_elements * sizeof(uint16_t));
return dst;
}
static void clipboard_clear(clipboard_t *cb)
{
for (int i = 0; i < cb->shape_count; i++) {
FREE(cb->shapes[i].verts);
FREE(cb->shapes[i].indices);
}
FREE(cb->shapes);
FREE(cb->groups);
memset(cb, 0, sizeof(*cb));
}
static int clipboard_lookup_gid(int old_id, const int *map, int map_count)
{
for (int j = 0; j < map_count; j++) {
if (map[j * 2] == old_id) return map[j * 2 + 1];
}
return 0;
}
static void handle_copy(userdata_t *ud)
{
if (ud->interact.selected_count == 0) return;
clipboard_clear(&ud->clipboard);
int n = ud->shapes.count;
int sel = 0;
for (int i = 0; i < n; i++) {
if (((shape_t*) vec_get(&ud->shapes, i))->selected) sel++;
}
ud->clipboard.shapes = (shape_t*) ALLOC((size_t)sel * sizeof(shape_t));
ud->clipboard.shape_count = 0;
int *gids = (int*) ALLOC((size_t)n * sizeof(int));
int n_gids = 0;
for (int i = 0; i < n; i++) {
shape_t *s = (shape_t*) vec_get(&ud->shapes, i);
if (!s->selected) continue;
ud->clipboard.shapes[ud->clipboard.shape_count++] = clipboard_deep_copy_shape(s);
int gid = s->group_id;
while (gid != 0) {
bool found = false;
for (int j = 0; j < n_gids; j++) {
if (gids[j] == gid) { found = true; break; }
}
if (!found) gids[n_gids++] = gid;
group_t *g = find_group(&ud->groups, gid);
gid = g ? g->parent_id : 0;
}
}
ud->clipboard.groups = (group_t*) ALLOC((size_t)n_gids * sizeof(group_t));
ud->clipboard.group_count = n_gids;
for (int j = 0; j < n_gids; j++) {
group_t *src = find_group(&ud->groups, gids[j]);
ud->clipboard.groups[j] = *src;
}
FREE(gids);
}
static void handle_paste(userdata_t *ud)
{
clipboard_t *cb = &ud->clipboard;
if (cb->shape_count == 0) return;
int gc = cb->group_count;
int *gid_map = NULL;
if (gc > 0) {
gid_map = (int*) ALLOC((size_t)gc * 2 * sizeof(int));
for (int j = 0; j < gc; j++) {
gid_map[j * 2] = cb->groups[j].id;
gid_map[j * 2 + 1] = ud->next_group_id++;
}
for (int j = 0; j < gc; j++) {
group_t g = cb->groups[j];
g.id = clipboard_lookup_gid(g.id, gid_map, gc);
g.parent_id = clipboard_lookup_gid(g.parent_id, gid_map, gc);
*((group_t*) vec_push(&ud->groups)) = g;
}
group_index_rebuild(&ud->groups);
}
for (int i = 0; i < ud->shapes.count; i++)
((shape_t*) vec_get(&ud->shapes, i))->selected = false;
ud->interact.selected_count = 0;
float cx, cy;
screen_to_world(&ud->camera, ud->mouse_x, ud->mouse_y, &cx, &cy);
float cb_min_x = 0, cb_min_y = 0, cb_max_x = 0, cb_max_y = 0;
for (int i = 0; i < cb->shape_count; i++) {
shape_t *s = &cb->shapes[i];
float sc = s->cos_r, ss = s->sin_r;
for (uint32_t v = 0; v < s->num_verts; v++) {
float lx = s->verts[v].x * s->sx;
float ly = s->verts[v].y * s->sy;
float wx = s->cx + lx * sc - ly * ss;
float wy = s->cy + lx * ss + ly * sc;
if (i == 0 && v == 0) {
cb_min_x = cb_max_x = wx;
cb_min_y = cb_max_y = wy;
} else {
if (wx < cb_min_x) cb_min_x = wx;
if (wx > cb_max_x) cb_max_x = wx;
if (wy < cb_min_y) cb_min_y = wy;
if (wy > cb_max_y) cb_max_y = wy;
}
}
}
float cb_cx = (cb_min_x + cb_max_x) * 0.5f;
float cb_cy = (cb_min_y + cb_max_y) * 0.5f;
int sc = cb->shape_count;
hist_batch_t batch;
history_batch_init(&batch, sc);
for (int i = 0; i < sc; i++) {
shape_t s = clipboard_deep_copy_shape(&cb->shapes[i]);
s.cx += cx - cb_cx;
s.cy += cy - cb_cy;
if (gc > 0)
s.group_id = clipboard_lookup_gid(s.group_id, gid_map, gc);
else
s.group_id = 0;
s.selected = true;
ud->interact.selected_count++;
*((shape_t*) vec_push(&ud->shapes)) = s;
g_shape_pool_dirty = true;
history_batch_add_shape(&batch, ud->shapes.count - 1, HIST_CREATE,
(shape_t*) vec_get(&ud->shapes, ud->shapes.count - 1));
}
history_batch_commit(&batch, &ud->history);
FREE(gid_map);
spatial_mark_dirty(&ud->spatial_grid);
ud->interact.aabb_cached = false;
ud->interact.focused_group_id = 0;
ud->overlay_upload_needed = true;
update_shape_states(ud);
}
// -- public event handlers -- // -- public event handlers --
static bool handle_key_down(userdata_t *ud, const sapp_event *event) static bool handle_key_down(userdata_t *ud, const sapp_event *event)
@@ -454,6 +648,7 @@ static bool handle_key_down(userdata_t *ud, const sapp_event *event)
if (history_undo(&ud->history, &ud->shapes)) { if (history_undo(&ud->history, &ud->shapes)) {
rebuild_groups_from_shapes(&ud->groups, &ud->shapes); rebuild_groups_from_shapes(&ud->groups, &ud->shapes);
ud->interact.hovered_shape = -1; ud->interact.hovered_shape = -1;
g_shape_pool_dirty = true;
spatial_mark_dirty(&ud->spatial_grid); spatial_mark_dirty(&ud->spatial_grid);
ud->interact.aabb_cached = false; ud->interact.aabb_cached = false;
ud->overlay_upload_needed = true; ud->overlay_upload_needed = true;
@@ -464,12 +659,21 @@ static bool handle_key_down(userdata_t *ud, const sapp_event *event)
if (history_redo(&ud->history, &ud->shapes)) { if (history_redo(&ud->history, &ud->shapes)) {
rebuild_groups_from_shapes(&ud->groups, &ud->shapes); rebuild_groups_from_shapes(&ud->groups, &ud->shapes);
ud->interact.hovered_shape = -1; ud->interact.hovered_shape = -1;
g_shape_pool_dirty = true;
spatial_mark_dirty(&ud->spatial_grid); spatial_mark_dirty(&ud->spatial_grid);
ud->interact.aabb_cached = false; ud->interact.aabb_cached = false;
ud->overlay_upload_needed = true; ud->overlay_upload_needed = true;
} }
return true; return true;
} }
if (event->key_code == SAPP_KEYCODE_C) {
handle_copy(ud);
return true;
}
if (event->key_code == SAPP_KEYCODE_V) {
handle_paste(ud);
return true;
}
if (event->key_code == SAPP_KEYCODE_G) { if (event->key_code == SAPP_KEYCODE_G) {
if (event->modifiers & SAPP_MODIFIER_SHIFT) { if (event->modifiers & SAPP_MODIFIER_SHIFT) {
// Ungroup: collect unique group IDs of selected shapes // Ungroup: collect unique group IDs of selected shapes
@@ -549,6 +753,8 @@ static bool handle_key_down(userdata_t *ud, const sapp_event *event)
} }
} }
group_index_rebuild(&ud->groups);
FREE(parents); FREE(parents);
FREE(gids); FREE(gids);
ud->ui.list_last_shape = -1; ud->ui.list_last_shape = -1;
@@ -624,6 +830,7 @@ static bool handle_key_down(userdata_t *ud, const sapp_event *event)
group_t new_grp = { .id = gid, .parent_id = 0 }; group_t new_grp = { .id = gid, .parent_id = 0 };
*((group_t*) vec_push(&ud->groups)) = new_grp; *((group_t*) vec_push(&ud->groups)) = new_grp;
group_index_rebuild(&ud->groups);
for (int j = 0; j < n_full; j++) { for (int j = 0; j < n_full; j++) {
for (int g = 0; g < ud->groups.count; g++) { for (int g = 0; g < ud->groups.count; g++) {
@@ -683,6 +890,7 @@ static bool handle_key_down(userdata_t *ud, const sapp_event *event)
shape_shutdown(s); shape_shutdown(s);
vec_remove_ordered(&ud->shapes, indices[j]); vec_remove_ordered(&ud->shapes, indices[j]);
} }
g_shape_pool_dirty = true;
FREE(indices); FREE(indices);
@@ -853,6 +1061,9 @@ static void handle_mouse_up(userdata_t *ud, const sapp_event *event)
static void handle_mouse_move(userdata_t *ud, const sapp_event *event) static void handle_mouse_move(userdata_t *ud, const sapp_event *event)
{ {
ud->mouse_x = event->mouse_x;
ud->mouse_y = event->mouse_y;
if (ud->camera.pan_state.dragging) { if (ud->camera.pan_state.dragging) {
handle_pan_drag(ud, event); handle_pan_drag(ud, event);
} else if (ud->interact.resize.dragging) { } else if (ud->interact.resize.dragging) {

3
src/interact.h
View File

@@ -11,7 +11,7 @@ static void selected_aabb(userdata_t *ud, float *min_x, float *min_y,
for (int i = 0; i < ud->shapes.count; i++) { for (int i = 0; i < ud->shapes.count; i++) {
shape_t *s = (shape_t*) vec_get(&ud->shapes, i); shape_t *s = (shape_t*) vec_get(&ud->shapes, i);
if (!s->selected) continue; if (!s->selected) continue;
float sc = cosf(s->rotation), ss = sinf(s->rotation); float sc = s->cos_r, ss = s->sin_r;
for (uint32_t v = 0; v < s->num_verts; v++) { for (uint32_t v = 0; v < s->num_verts; v++) {
float lx = s->verts[v].x * s->sx; float lx = s->verts[v].x * s->sx;
float ly = s->verts[v].y * s->sy; float ly = s->verts[v].y * s->sy;
@@ -117,6 +117,7 @@ static void rebuild_groups_from_shapes(vector_t *groups, vector_t *shapes)
} }
if (saved) FREE(saved); if (saved) FREE(saved);
group_index_rebuild(groups);
} }
static int hit_test_resize_handles(userdata_t *ud, float wx, float wy, float tol) static int hit_test_resize_handles(userdata_t *ud, float wx, float wy, float tol)

26
src/main.c
View File

@@ -34,6 +34,16 @@ static void log_capture(const char* tag, uint32_t log_level, uint32_t log_item,
if (log_level <= 1) ud->ui.log_show = true; if (log_level <= 1) ud->ui.log_show = true;
} }
static void panel_log_impl(void *ud_v, int level, const char *msg) {
userdata_t *ud = (userdata_t*)ud_v;
int idx = ud->ui.log_head;
strncpy(ud->ui.log_ring[idx].text, msg, 255);
ud->ui.log_ring[idx].text[255] = 0;
ud->ui.log_ring[idx].level = (uint32_t)level;
ud->ui.log_head = (idx + 1) % LOG_RING_SIZE;
if (ud->ui.log_count < LOG_RING_SIZE) ud->ui.log_count++;
}
static void meter_fps(userdata_t *ud) static void meter_fps(userdata_t *ud)
{ {
float dt = (float)sapp_frame_duration(); float dt = (float)sapp_frame_duration();
@@ -102,10 +112,14 @@ static void init(void* _userdata)
userdata_t* ud = (userdata_t*) _userdata; userdata_t* ud = (userdata_t*) _userdata;
g_panel_log_fn = panel_log_impl;
g_panel_log_ud = ud;
sg_desc sgdesc = { sg_desc sgdesc = {
.environment = sglue_environment(), .environment = sglue_environment(),
.logger.func = log_capture, .logger.func = log_capture,
.logger.user_data = ud, .logger.user_data = ud,
.uniform_buffer_size = 16 * 1024 * 1024,
}; };
sg_setup(&sgdesc); sg_setup(&sgdesc);
if (!sg_isvalid()) { if (!sg_isvalid()) {
@@ -216,6 +230,7 @@ static void init(void* _userdata)
vec_init(&ud->shapes, sizeof(shape_t)); vec_init(&ud->shapes, sizeof(shape_t));
vec_init(&ud->groups, sizeof(group_t)); vec_init(&ud->groups, sizeof(group_t));
vec_init(&ud->interact.drag_indices, sizeof(int));
spatial_init(&ud->spatial_grid); spatial_init(&ud->spatial_grid);
ud->interact.selected_count = 0; ud->interact.selected_count = 0;
ud->interact.hovered_shape = -1; ud->interact.hovered_shape = -1;
@@ -296,7 +311,7 @@ static void init(void* _userdata)
EM_ASM({ EM_ASM({
window.addEventListener('keydown', function(e) { window.addEventListener('keydown', function(e) {
if (e.ctrlKey && !e.altKey && !e.metaKey) { if (e.ctrlKey && !e.altKey && !e.metaKey) {
if (e.key === 'z' || e.key === 'y') { if (e.key === 'z' || e.key === 'y' || e.key === 'c' || e.key === 'v') {
e.preventDefault(); e.preventDefault();
} }
} }
@@ -316,6 +331,8 @@ static void cleanup(void* _userdata)
spatial_destroy(&ud->spatial_grid); spatial_destroy(&ud->spatial_grid);
vec_free(&ud->shapes); vec_free(&ud->shapes);
vec_free(&ud->groups); vec_free(&ud->groups);
vec_free(&ud->interact.drag_indices);
group_index_shutdown();
history_destroy(&ud->history); history_destroy(&ud->history);
if (ud->interact.resize.init) FREE(ud->interact.resize.init); if (ud->interact.resize.init) FREE(ud->interact.resize.init);
sg_destroy_buffer(ud->rect_vbuf); sg_destroy_buffer(ud->rect_vbuf);
@@ -329,6 +346,13 @@ static void cleanup(void* _userdata)
shape_pool_shutdown(); shape_pool_shutdown();
shape_shutdown_pipeline(); shape_shutdown_pipeline();
for (int i = 0; i < ud->clipboard.shape_count; i++) {
FREE(ud->clipboard.shapes[i].verts);
FREE(ud->clipboard.shapes[i].indices);
}
FREE(ud->clipboard.shapes);
FREE(ud->clipboard.groups);
FREE(ud); FREE(ud);
simgui_shutdown(); simgui_shutdown();

38
src/overlay.h
View File

@@ -27,7 +27,26 @@ static void compute_overlay_geometry(userdata_t *ud,
overlay_verts[4] = (shape_vertex_t){x1, y1}; overlay_verts[4] = (shape_vertex_t){x1, y1};
*has_overlay = true; *has_overlay = true;
} else if (ud->interact.selected_count >= 1) { } else if (ud->interact.selected_count >= 1) {
if (ud->interact.selected_count == 1) { if (ud->interact.move.dragging && ud->interact.aabb_cached) {
float dx = ud->interact.move.total_dx;
float dy = ud->interact.move.total_dy;
float omin_x = ud->interact.cached_aabb[0] + dx;
float omin_y = ud->interact.cached_aabb[1] + dy;
float omax_x = ud->interact.cached_aabb[2] + dx;
float omax_y = ud->interact.cached_aabb[3] + dy;
float pad = 8.0f / ud->camera.zoom;
overlay_verts[0] = (shape_vertex_t){omin_x - pad, omin_y - pad};
overlay_verts[1] = (shape_vertex_t){omax_x + pad, omin_y - pad};
overlay_verts[2] = (shape_vertex_t){omax_x + pad, omax_y + pad};
overlay_verts[3] = (shape_vertex_t){omin_x - pad, omax_y + pad};
overlay_verts[4] = overlay_verts[0];
*sel_cx = (omin_x + omax_x) * 0.5f;
*sel_cy = (omin_y + omax_y) * 0.5f;
*sel_hw = (omax_x - omin_x) * 0.5f + pad;
*sel_hh = (omax_y - omin_y) * 0.5f + pad;
*sel_angle = 0;
*has_overlay = true;
} else if (ud->interact.selected_count == 1) {
for (int i = 0; i < ud->shapes.count; i++) { for (int i = 0; i < ud->shapes.count; i++) {
shape_t *s = (shape_t*) vec_get(&ud->shapes, i); shape_t *s = (shape_t*) vec_get(&ud->shapes, i);
if (!s->selected) continue; if (!s->selected) continue;
@@ -52,8 +71,8 @@ static void compute_overlay_geometry(userdata_t *ud,
for (int i = 0; i < ud->shapes.count; i++) { for (int i = 0; i < ud->shapes.count; i++) {
shape_t *s = (shape_t*) vec_get(&ud->shapes, i); shape_t *s = (shape_t*) vec_get(&ud->shapes, i);
if (!s->selected) continue; if (!s->selected) continue;
sum_sin += sinf(s->rotation); sum_sin += s->sin_r;
sum_cos += cosf(s->rotation); sum_cos += s->cos_r;
} }
selected_aabb(ud, &omin[0], &omin[1], &omax[0], &omax[1]); selected_aabb(ud, &omin[0], &omin[1], &omax[0], &omax[1]);
ud->interact.cached_aabb[0] = omin[0]; ud->interact.cached_aabb[1] = omin[1]; ud->interact.cached_aabb[0] = omin[0]; ud->interact.cached_aabb[1] = omin[1];
@@ -102,10 +121,19 @@ static void upload_overlay_buffers(userdata_t *ud,
ud->interact.rotate.handle_radius = radius; ud->interact.rotate.handle_radius = radius;
const int n = HANDLE_CIRCLE_SEGMENTS + 1; const int n = HANDLE_CIRCLE_SEGMENTS + 1;
shape_vertex_t hv[HANDLE_CIRCLE_SEGMENTS + 1]; static shape_vertex_t unit_circle[HANDLE_CIRCLE_SEGMENTS + 1];
static bool unit_circle_ready = false;
if (!unit_circle_ready) {
for (int i = 0; i < n; i++) { for (int i = 0; i < n; i++) {
float a = (float)i / (float)HANDLE_CIRCLE_SEGMENTS * 2.0f * GLM_PIf; float a = (float)i / (float)HANDLE_CIRCLE_SEGMENTS * 2.0f * GLM_PIf;
hv[i] = (shape_vertex_t){sel_cx + cosf(a) * radius, sel_cy + sinf(a) * radius}; unit_circle[i] = (shape_vertex_t){cosf(a), sinf(a)};
}
unit_circle_ready = true;
}
shape_vertex_t hv[HANDLE_CIRCLE_SEGMENTS + 1];
for (int i = 0; i < n; i++) {
hv[i] = (shape_vertex_t){sel_cx + unit_circle[i].x * radius,
sel_cy + unit_circle[i].y * radius};
} }
if (need_upload) if (need_upload)
sg_update_buffer(ud->handle_vbuf, &(sg_range){hv, sizeof(hv)}); sg_update_buffer(ud->handle_vbuf, &(sg_range){hv, sizeof(hv)});

73
src/render.h
View File

@@ -5,6 +5,8 @@
static sg_pipeline shape_pipeline; static sg_pipeline shape_pipeline;
static sg_shader shape_shader; static sg_shader shape_shader;
static sg_pipeline overlay_pipeline;
static sg_shader overlay_shader;
static int g_shape_frame_id; static int g_shape_frame_id;
static void shape_begin_frame(void) static void shape_begin_frame(void)
@@ -14,13 +16,14 @@ static void shape_begin_frame(void)
static void shape_init_pipeline(void) static void shape_init_pipeline(void)
{ {
shape_shader = sg_make_shader(&(sg_shader_desc) { // Overlay shader/pipeline (simple, no storage buffers)
overlay_shader = sg_make_shader(&(sg_shader_desc) {
.vertex_func = { .vertex_func = {
.source = (const char*) src_shaders_shape_wgsl, .source = (const char*) src_shaders_overlay_wgsl,
.entry = "vs_main", .entry = "vs_main",
}, },
.fragment_func = { .fragment_func = {
.source = (const char*) src_shaders_shape_wgsl, .source = (const char*) src_shaders_overlay_wgsl,
.entry = "fs_main", .entry = "fs_main",
}, },
.uniform_blocks = { .uniform_blocks = {
@@ -38,31 +41,79 @@ static void shape_init_pipeline(void)
.attrs = { .attrs = {
[0] = { .base_type = SG_SHADERATTRBASETYPE_FLOAT }, [0] = { .base_type = SG_SHADERATTRBASETYPE_FLOAT },
}, },
.label = "Overlay shader",
});
panel_log(3, "[shapes] overlay shader id=%d valid=%d", overlay_shader.id, sg_isvalid());
overlay_pipeline = sg_make_pipeline(&(sg_pipeline_desc) {
.shader = overlay_shader,
.index_type = SG_INDEXTYPE_UINT16,
.primitive_type = SG_PRIMITIVETYPE_LINE_STRIP,
.layout.attrs = {
[0].format = SG_VERTEXFORMAT_FLOAT2,
},
.label = "Overlay pipeline",
});
panel_log(3, "[shapes] overlay pipeline id=%d valid=%d", overlay_pipeline.id, sg_isvalid());
// Shape shader/pipeline (storage buffers, instanced)
shape_shader = sg_make_shader(&(sg_shader_desc) {
.vertex_func = {
.source = (const char*) src_shaders_shape_wgsl,
.entry = "vs_main",
},
.fragment_func = {
.source = (const char*) src_shaders_shape_wgsl,
.entry = "fs_main",
},
.uniform_blocks = {
[0] = {
.size = 80,
.stage = SG_SHADERSTAGE_VERTEX,
.wgsl_group0_binding_n = 0,
},
},
.views = {
[0] = {
.storage_buffer = {
.stage = SG_SHADERSTAGE_VERTEX,
.readonly = true,
.wgsl_group1_binding_n = 0,
},
},
[1] = {
.storage_buffer = {
.stage = SG_SHADERSTAGE_VERTEX,
.readonly = true,
.wgsl_group1_binding_n = 1,
},
},
},
.attrs = {
[0] = { .base_type = SG_SHADERATTRBASETYPE_FLOAT },
},
.label = "Shape shader", .label = "Shape shader",
}); });
panel_log(3, "[shapes] shader id=%d valid=%d", shape_shader.id, sg_isvalid());
shape_pipeline = sg_make_pipeline(&(sg_pipeline_desc) { shape_pipeline = sg_make_pipeline(&(sg_pipeline_desc) {
.shader = shape_shader, .shader = shape_shader,
.index_type = SG_INDEXTYPE_UINT16, .index_type = SG_INDEXTYPE_NONE,
.primitive_type = SG_PRIMITIVETYPE_LINE_STRIP, .primitive_type = SG_PRIMITIVETYPE_LINE_STRIP,
.layout.attrs = { .layout.attrs = {
[0].format = SG_VERTEXFORMAT_FLOAT2, [0].format = SG_VERTEXFORMAT_FLOAT2,
}, },
.label = "Shape pipeline", .label = "Shape pipeline",
}); });
panel_log(3, "[shapes] pipeline id=%d valid=%d", shape_pipeline.id, sg_isvalid());
} }
static void shape_shutdown_pipeline(void) static void shape_shutdown_pipeline(void)
{ {
sg_destroy_pipeline(shape_pipeline); sg_destroy_pipeline(shape_pipeline);
sg_destroy_shader(shape_shader); sg_destroy_shader(shape_shader);
} sg_destroy_pipeline(overlay_pipeline);
sg_destroy_shader(overlay_shader);
static void shape_draw(shape_t *s, const mat4 *mvp)
{
sg_apply_uniforms(0, &SG_RANGE(*mvp));
sg_apply_uniforms(1, &SG_RANGE(s->uniform));
sg_draw((int)s->index_base, (int)s->num_elements, 1);
} }
#endif #endif

44
src/shaders/overlay.wgsl Normal file
View File

@@ -0,0 +1,44 @@
struct VsUniform {
mvp: mat4x4f,
};
struct ShapeUniform {
transform: mat4x4f,
state: u32,
};
struct VsIn {
@location(0) position: vec2f,
};
struct Vs2Fs {
@builtin(position) pos: vec4f,
@location(0) @interpolate(linear) color: vec4f,
};
struct FsOut {
@location(0) color: vec4f,
};
@binding(0) @group(0) var<uniform> vs_uniforms: VsUniform;
@binding(1) @group(0) var<uniform> shape_uniform: ShapeUniform;
@vertex fn vs_main(input: VsIn) -> Vs2Fs {
var output: Vs2Fs;
let world_pos = shape_uniform.transform * vec4f(input.position.x, input.position.y, 0.0, 1.0);
output.pos = vs_uniforms.mvp * world_pos;
if (shape_uniform.state == 2u) {
output.color = vec4f(1.0, 0.84, 0.0, 1.0);
} else if (shape_uniform.state == 1u) {
output.color = vec4f(0.5, 0.6, 1.0, 1.0);
} else {
output.color = vec4f(0.8, 0.8, 0.8, 1.0);
}
return output;
}
@fragment fn fs_main(input: Vs2Fs) -> FsOut {
var output: FsOut;
output.color = input.color;
return output;
}

20
src/shaders/shape.wgsl
View File

@@ -1,13 +1,20 @@
struct VsUniform { struct VsUniform {
mvp: mat4x4f, mvp: mat4x4f,
instance_base: u32,
}; };
struct ShapeUniform { struct ShapeData {
transform: mat4x4f, transform: mat4x4f,
state: u32, state: u32,
}; };
@binding(0) @group(0) var<uniform> vs_uniforms: VsUniform;
@binding(0) @group(1) var<storage> shape_data: array<ShapeData>;
@binding(1) @group(1) var<storage> instance_map: array<u32>;
struct VsIn { struct VsIn {
@builtin(instance_index) instance_idx: u32,
@location(0) position: vec2f, @location(0) position: vec2f,
}; };
@@ -20,16 +27,15 @@ struct FsOut {
@location(0) color: vec4f, @location(0) color: vec4f,
}; };
@binding(0) @group(0) var<uniform> vs_uniforms: VsUniform;
@binding(1) @group(0) var<uniform> shape_uniform: ShapeUniform;
@vertex fn vs_main(input: VsIn) -> Vs2Fs { @vertex fn vs_main(input: VsIn) -> Vs2Fs {
var output: Vs2Fs; var output: Vs2Fs;
let world_pos = shape_uniform.transform * vec4f(input.position.x, input.position.y, 0.0, 1.0); let shape_idx = instance_map[vs_uniforms.instance_base + input.instance_idx];
let shape = shape_data[shape_idx];
let world_pos = shape.transform * vec4f(input.position.x, input.position.y, 0.0, 1.0);
output.pos = vs_uniforms.mvp * world_pos; output.pos = vs_uniforms.mvp * world_pos;
if (shape_uniform.state == 2u) { if (shape.state == 2u) {
output.color = vec4f(1.0, 0.84, 0.0, 1.0); output.color = vec4f(1.0, 0.84, 0.0, 1.0);
} else if (shape_uniform.state == 1u) { } else if (shape.state == 1u) {
output.color = vec4f(0.5, 0.6, 1.0, 1.0); output.color = vec4f(0.5, 0.6, 1.0, 1.0);
} else { } else {
output.color = vec4f(0.8, 0.8, 0.8, 1.0); output.color = vec4f(0.8, 0.8, 0.8, 1.0);

282
src/shape.h
View File

@@ -20,6 +20,12 @@ typedef struct shape_uniform_t {
uint8_t _pad[12]; uint8_t _pad[12];
} shape_uniform_t; } shape_uniform_t;
typedef struct {
mat4 transform;
uint32_t state;
uint8_t _pad[12];
} shape_gpu_data_t;
typedef struct shape_t { typedef struct shape_t {
shape_vertex_t *verts; shape_vertex_t *verts;
uint16_t *indices; uint16_t *indices;
@@ -32,11 +38,9 @@ typedef struct shape_t {
float cx, cy; float cx, cy;
float sx, sy; float sx, sy;
float rotation; float rotation;
float cos_r, sin_r;
int kind; int kind;
uint32_t vertex_base;
uint32_t index_base;
int group_id; int group_id;
} shape_t; } shape_t;
@@ -47,15 +51,55 @@ typedef struct {
int parent_id; // 0 = top-level group int parent_id; // 0 = top-level group
} group_t; } group_t;
static group_t* find_group(vector_t *groups, int id) { static group_t **g_group_by_id = NULL;
static int g_group_by_id_cap = 0;
static void group_index_rebuild(vector_t *groups)
{
int max_id = 0;
for (int i = 0; i < groups->count; i++) {
int gid = ((group_t*) vec_get(groups, i))->id;
if (gid > max_id) max_id = gid;
}
if (max_id >= g_group_by_id_cap) {
if (g_group_by_id) FREE(g_group_by_id);
int new_cap = max_id + 64;
g_group_by_id = (group_t**) ALLOC((size_t)new_cap * sizeof(group_t*));
memset(g_group_by_id, 0, (size_t)new_cap * sizeof(group_t*));
g_group_by_id_cap = new_cap;
} else {
for (int i = 0; i <= max_id; i++) g_group_by_id[i] = NULL;
}
for (int i = 0; i < groups->count; i++) { for (int i = 0; i < groups->count; i++) {
group_t *g = (group_t*) vec_get(groups, i); group_t *g = (group_t*) vec_get(groups, i);
if (g->id == id) return g; g_group_by_id[g->id] = g;
} }
return NULL; }
static void group_index_ensure_cap(int max_id)
{
if (max_id >= g_group_by_id_cap) {
int new_cap = max_id + 64;
group_t **old = g_group_by_id;
g_group_by_id = (group_t**) ALLOC((size_t)new_cap * sizeof(group_t*));
if (old) {
memcpy(g_group_by_id, old, (size_t)g_group_by_id_cap * sizeof(group_t*));
FREE(old);
}
memset(g_group_by_id + g_group_by_id_cap, 0,
(size_t)(new_cap - g_group_by_id_cap) * sizeof(group_t*));
g_group_by_id_cap = new_cap;
}
}
static group_t* find_group(vector_t *groups, int id) {
(void)groups;
if (id <= 0 || id >= g_group_by_id_cap) return NULL;
return g_group_by_id[id];
} }
static int get_topmost_group(vector_t *groups, int gid) { static int get_topmost_group(vector_t *groups, int gid) {
(void)groups;
while (gid != 0) { while (gid != 0) {
group_t *g = find_group(groups, gid); group_t *g = find_group(groups, gid);
if (!g || g->parent_id == 0) return gid; if (!g || g->parent_id == 0) return gid;
@@ -65,6 +109,7 @@ static int get_topmost_group(vector_t *groups, int gid) {
} }
static bool is_shape_in_group_hierarchy(int shape_gid, int target_gid, vector_t *groups) { static bool is_shape_in_group_hierarchy(int shape_gid, int target_gid, vector_t *groups) {
(void)groups;
int cur = shape_gid; int cur = shape_gid;
while (cur != 0) { while (cur != 0) {
if (cur == target_gid) return true; if (cur == target_gid) return true;
@@ -75,74 +120,189 @@ static bool is_shape_in_group_hierarchy(int shape_gid, int target_gid, vector_t
return false; return false;
} }
static void group_index_shutdown(void)
{
if (g_group_by_id) FREE(g_group_by_id);
g_group_by_id = NULL;
g_group_by_id_cap = 0;
}
// -- shared geometry buffers (one vbuf + one ibuf for all shapes) -- // -- shared geometry buffers (one vbuf + one ibuf for all shapes) --
static sg_buffer g_shape_vbuf = {0}; static sg_buffer g_shape_data_sbuf = {0};
static sg_buffer g_shape_ibuf = {0}; static sg_buffer g_instance_map_sbuf = {0};
static sg_view g_shape_data_view = {0};
static sg_view g_instance_map_view = {0};
// Per-group vertex buffers: one per unique num_elements
typedef struct {
uint32_t num_elements;
sg_buffer vbuf;
} shape_group_buf_t;
static shape_group_buf_t *g_shape_groups = NULL;
static int g_shape_group_count = 0;
static bool g_shape_pool_dirty; static bool g_shape_pool_dirty;
static uint32_t g_shape_vert_count; static bool g_shape_data_dirty;
static uint32_t g_shape_idx_count; static size_t g_shape_data_buf_size = 0;
static int g_instance_map_capacity = 0;
static void shape_make_view_for_buffer(sg_view *view, sg_buffer buf)
{
if (view->id) sg_destroy_view(*view);
*view = sg_make_view(&(sg_view_desc){
.storage_buffer = { .buffer = buf },
});
}
static shape_gpu_data_t *g_upload_buf = NULL;
static int g_upload_buf_cap = 0;
static void shape_upload_data(vector_t *shapes)
{
int n = shapes->count;
if (n == 0 || !g_shape_data_sbuf.id) return;
size_t need = (size_t)n * sizeof(shape_gpu_data_t);
if (need > g_shape_data_buf_size) {
panel_log(2, "[shapes] upload_data: buffer too small (%zu < %zu), forcing rebuild",
g_shape_data_buf_size, need);
g_shape_pool_dirty = true;
return;
}
if (n > g_upload_buf_cap) {
if (g_upload_buf) FREE(g_upload_buf);
g_upload_buf = (shape_gpu_data_t*) ALLOC(need);
g_upload_buf_cap = n;
}
for (int i = 0; i < n; i++) {
shape_t *s = (shape_t*) vec_get(shapes, i);
memcpy(g_upload_buf[i].transform, s->uniform.transform, sizeof(mat4));
g_upload_buf[i].state = s->uniform.state;
memset(g_upload_buf[i]._pad, 0, sizeof(g_upload_buf[i]._pad));
}
sg_update_buffer(g_shape_data_sbuf, &(sg_range){g_upload_buf, need});
}
static void shape_upload_instance_map(const uint32_t *map, int count)
{
if (count > g_instance_map_capacity) {
if (g_instance_map_sbuf.id) sg_destroy_buffer(g_instance_map_sbuf);
g_instance_map_sbuf = sg_make_buffer(&(sg_buffer_desc){
.size = (size_t)count * sizeof(uint32_t),
.usage = { .storage_buffer = true, .stream_update = true },
.label = "Instance map",
});
g_instance_map_capacity = count;
shape_make_view_for_buffer(&g_instance_map_view, g_instance_map_sbuf);
}
sg_update_buffer(g_instance_map_sbuf, &(sg_range){map, (size_t)count * sizeof(uint32_t)});
panel_log(3, "[shapes] upload_instance_map: count=%d buf=%d view=%d",
count, g_instance_map_sbuf.id, g_instance_map_view.id);
}
static void shape_pool_rebuild(vector_t *shapes) static void shape_pool_rebuild(vector_t *shapes)
{ {
// count total vertices / indices (line strips: num_elements == num_verts + 1) int n = shapes->count;
uint32_t total_verts = 0, total_indices = 0;
for (int i = 0; i < shapes->count; i++) { // Destroy old groups
shape_t *s = (shape_t*) vec_get(shapes, i); for (int i = 0; i < g_shape_group_count; i++) {
total_verts += s->num_elements; if (g_shape_groups[i].vbuf.id) sg_destroy_buffer(g_shape_groups[i].vbuf);
total_indices += s->num_elements;
} }
FREE(g_shape_groups);
g_shape_groups = NULL;
g_shape_group_count = 0;
if (g_shape_vbuf.id) { sg_destroy_buffer(g_shape_vbuf); g_shape_vbuf.id = 0; } if (g_shape_data_sbuf.id) { sg_destroy_buffer(g_shape_data_sbuf); g_shape_data_sbuf.id = 0; }
if (g_shape_ibuf.id) { sg_destroy_buffer(g_shape_ibuf); g_shape_ibuf.id = 0; } if (g_shape_data_view.id) { sg_destroy_view(g_shape_data_view); g_shape_data_view.id = 0; }
g_shape_vert_count = 0;
g_shape_idx_count = 0;
if (total_verts == 0) { if (n == 0) {
g_shape_pool_dirty = false; g_shape_pool_dirty = false;
return; return;
} }
shape_vertex_t *all_v = (shape_vertex_t*) ALLOC((size_t)total_verts * sizeof(shape_vertex_t)); g_shape_data_buf_size = (size_t)n * sizeof(shape_gpu_data_t);
uint16_t *all_i = (uint16_t*) ALLOC((size_t)total_indices * sizeof(uint16_t)); g_shape_data_sbuf = sg_make_buffer(&(sg_buffer_desc){
.size = g_shape_data_buf_size,
.usage = { .storage_buffer = true, .stream_update = true },
.label = "Shape data",
});
shape_make_view_for_buffer(&g_shape_data_view, g_shape_data_sbuf);
// Data filled by shape_upload_data() in draw_shapes
uint32_t voff = 0, ioff = 0; // Count unique num_elements
for (int i = 0; i < shapes->count; i++) { uint32_t max_ne = 0;
shape_t *s = (shape_t*) vec_get(shapes, i); for (int i = 0; i < n; i++) {
uint32_t n = s->num_elements; uint32_t ne = ((shape_t*) vec_get(shapes, i))->num_elements;
memcpy(&all_v[voff], s->verts, (size_t)n * sizeof(shape_vertex_t)); if (ne > max_ne) max_ne = ne;
for (uint32_t j = 0; j < n; j++)
all_i[ioff + j] = (uint16_t)(voff + s->indices[j]);
s->vertex_base = voff;
s->index_base = ioff;
voff += n;
ioff += n;
} }
g_shape_vbuf = sg_make_buffer(&(sg_buffer_desc){ int *ne_seen = (int*) ALLOC((size_t)(max_ne + 1) * sizeof(int));
.data = { all_v, (size_t)total_verts * sizeof(shape_vertex_t) }, memset(ne_seen, 0, (size_t)(max_ne + 1) * sizeof(int));
.label = "Shape verts (shared)", for (int i = 0; i < n; i++) {
}); uint32_t ne = ((shape_t*) vec_get(shapes, i))->num_elements;
g_shape_ibuf = sg_make_buffer(&(sg_buffer_desc){ ne_seen[ne] = 1;
.data = { all_i, (size_t)total_indices * sizeof(uint16_t) }, }
.usage = { .index_buffer = true }, int group_count = 0;
.label = "Shape indices (shared)", for (uint32_t ne = 0; ne <= max_ne; ne++)
}); if (ne_seen[ne]) group_count++;
FREE(all_v); // Create per-group vertex buffers (one copy of vertex data per unique num_elements)
FREE(all_i); g_shape_groups = (shape_group_buf_t*) ALLOC((size_t)group_count * sizeof(shape_group_buf_t));
memset(g_shape_groups, 0, (size_t)group_count * sizeof(shape_group_buf_t));
int gi = 0;
for (uint32_t ne = 0; ne <= max_ne; ne++) {
if (!ne_seen[ne]) continue;
// Find first shape with this num_elements to use as vertex template
shape_t *ref = NULL;
for (int i = 0; i < n; i++) {
if (((shape_t*) vec_get(shapes, i))->num_elements == ne) {
ref = (shape_t*) vec_get(shapes, i);
break;
}
}
g_shape_groups[gi].num_elements = ne;
g_shape_groups[gi].vbuf = sg_make_buffer(&(sg_buffer_desc){
.data = { ref->verts, (size_t)ne * sizeof(shape_vertex_t) },
.label = "Shape group verts",
});
gi++;
}
g_shape_group_count = group_count;
FREE(ne_seen);
panel_log(3, "[shapes] pool_rebuild: %d shapes, %d groups, data_buf=%d data_view=%d",
n, group_count, g_shape_data_sbuf.id, g_shape_data_view.id);
for (int gi = 0; gi < group_count; gi++) {
panel_log(3, "[shapes] group[%d]: ne=%u vbuf=%d",
gi, g_shape_groups[gi].num_elements, g_shape_groups[gi].vbuf.id);
}
g_shape_vert_count = total_verts;
g_shape_idx_count = total_indices;
g_shape_pool_dirty = false; g_shape_pool_dirty = false;
} }
static void shape_pool_shutdown(void) static void shape_pool_shutdown(void)
{ {
if (g_shape_vbuf.id) { sg_destroy_buffer(g_shape_vbuf); g_shape_vbuf.id = 0; } for (int i = 0; i < g_shape_group_count; i++) {
if (g_shape_ibuf.id) { sg_destroy_buffer(g_shape_ibuf); g_shape_ibuf.id = 0; } if (g_shape_groups[i].vbuf.id) sg_destroy_buffer(g_shape_groups[i].vbuf);
g_shape_vert_count = 0; }
g_shape_idx_count = 0; FREE(g_shape_groups);
g_shape_groups = NULL;
g_shape_group_count = 0;
if (g_shape_data_view.id) { sg_destroy_view(g_shape_data_view); g_shape_data_view.id = 0; }
if (g_instance_map_view.id) { sg_destroy_view(g_instance_map_view); g_instance_map_view.id = 0; }
if (g_shape_data_sbuf.id) { sg_destroy_buffer(g_shape_data_sbuf); g_shape_data_sbuf.id = 0; }
if (g_instance_map_sbuf.id) { sg_destroy_buffer(g_instance_map_sbuf); g_instance_map_sbuf.id = 0; }
g_instance_map_capacity = 0;
if (g_upload_buf) { FREE(g_upload_buf); g_upload_buf = NULL; }
g_upload_buf_cap = 0;
} }
#define SHAPE_HOVER_PX 6.0f #define SHAPE_HOVER_PX 6.0f
@@ -172,11 +332,23 @@ static void shape_build_transform(shape_t *s)
glm_scale_make(S, (vec3){s->sx, s->sy, 1.0f}); glm_scale_make(S, (vec3){s->sx, s->sy, 1.0f});
glm_mat4_mul(R, S, RS); glm_mat4_mul(R, S, RS);
glm_mat4_mul(T, RS, s->uniform.transform); glm_mat4_mul(T, RS, s->uniform.transform);
s->cos_r = R[0][0];
s->sin_r = R[0][1];
g_shape_data_dirty = true;
}
static void shape_retranslate(shape_t *s)
{
s->uniform.transform[3][0] = s->cx;
s->uniform.transform[3][1] = s->cy;
g_shape_data_dirty = true;
} }
static void shape_make_buffers(shape_t *s) static void shape_make_buffers(shape_t *s)
{ {
(void)s; for (int i = 0; i < g_shape_group_count; i++) {
if (g_shape_groups[i].num_elements == s->num_elements) return;
}
g_shape_pool_dirty = true; g_shape_pool_dirty = true;
} }
@@ -194,9 +366,11 @@ static void shape_regenerate(shape_t *s)
static void shape_set_state(shape_t *s, bool hovered, bool selected) static void shape_set_state(shape_t *s, bool hovered, bool selected)
{ {
uint32_t new_state = selected ? 2u : (hovered ? 1u : 0u);
if (s->uniform.state != new_state) g_shape_data_dirty = true;
s->hovered = hovered; s->hovered = hovered;
s->selected = selected; s->selected = selected;
s->uniform.state = selected ? 2u : (hovered ? 1u : 0u); s->uniform.state = new_state;
} }
static bool point_in_polygon(float px, float py, shape_vertex_t *verts, uint32_t n) static bool point_in_polygon(float px, float py, shape_vertex_t *verts, uint32_t n)
@@ -213,7 +387,7 @@ static bool point_in_polygon(float px, float py, shape_vertex_t *verts, uint32_t
static bool shape_hit_test(shape_t *s, float wx, float wy, float world_tol) static bool shape_hit_test(shape_t *s, float wx, float wy, float world_tol)
{ {
float sc = cosf(s->rotation), ss = sinf(s->rotation); float sc = s->cos_r, ss = s->sin_r;
float dx = wx - s->cx, dy = wy - s->cy; float dx = wx - s->cx, dy = wy - s->cy;
float lx = (dx * sc + dy * ss) / s->sx; float lx = (dx * sc + dy * ss) / s->sx;
float ly = (-dx * ss + dy * sc) / s->sy; float ly = (-dx * ss + dy * sc) / s->sy;

52
src/spatial.h
View File

@@ -35,8 +35,8 @@ static int spatial_hash(int cx, int cy)
static void spatial_compute_aabb(shape_t *s, float *min_x, float *min_y, static void spatial_compute_aabb(shape_t *s, float *min_x, float *min_y,
float *max_x, float *max_y) float *max_x, float *max_y)
{ {
float cos_r = cosf(s->rotation); float cos_r = s->cos_r;
float sin_r = sinf(s->rotation); float sin_r = s->sin_r;
float hx = fabsf(cos_r) * s->sx + fabsf(sin_r) * s->sy; float hx = fabsf(cos_r) * s->sx + fabsf(sin_r) * s->sy;
float hy = fabsf(sin_r) * s->sx + fabsf(cos_r) * s->sy; float hy = fabsf(sin_r) * s->sx + fabsf(cos_r) * s->sy;
*min_x = s->cx - hx; *min_x = s->cx - hx;
@@ -184,53 +184,35 @@ static int spatial_query_rect_select(spatial_grid_t *grid, vector_t *shapes,
} }
int selected_count = 0; int selected_count = 0;
int min_cx = (int) floorf(min_x / SPATIAL_CELL_SIZE); for (int s = 0; s < SPATIAL_HASH_SIZE; s++) {
int min_cy = (int) floorf(min_y / SPATIAL_CELL_SIZE); if (!grid->slots[s].occupied) continue;
int max_cx = (int) floorf(max_x / SPATIAL_CELL_SIZE); for (int e = 0; e < grid->slots[s].count; e++) {
int max_cy = (int) floorf(max_y / SPATIAL_CELL_SIZE); spatial_entry_t *entry = &grid->slots[s].entries[e];
for (int cell_x = min_cx; cell_x <= max_cx; cell_x++) {
for (int cell_y = min_cy; cell_y <= max_cy; cell_y++) {
int idx = spatial_hash(cell_x, cell_y) & (SPATIAL_HASH_SIZE - 1);
int probe_start = idx;
do {
if (!grid->slots[idx].occupied) break;
if (grid->slots[idx].cx == cell_x && grid->slots[idx].cy == cell_y) {
for (int e = 0; e < grid->slots[idx].count; e++) {
spatial_entry_t *entry = &grid->slots[idx].entries[e];
if (entry->max_x < min_x || entry->min_x > max_x || if (entry->max_x < min_x || entry->min_x > max_x ||
entry->max_y < min_y || entry->min_y > max_y) entry->max_y < min_y || entry->min_y > max_y)
continue; continue;
shape_t *s = (shape_t*) vec_get(shapes, entry->shape_idx); shape_t *shape = (shape_t*) vec_get(shapes, entry->shape_idx);
if (s->selected) continue; if (shape->selected) continue;
bool hit = (s->cx >= min_x && s->cx <= max_x && bool hit = (shape->cx >= min_x && shape->cx <= max_x &&
s->cy >= min_y && s->cy <= max_y); shape->cy >= min_y && shape->cy <= max_y);
float sc = cosf(s->rotation), ss = sinf(s->rotation); float sc = shape->cos_r, ss = shape->sin_r;
for (uint32_t v = 0; !hit && v < s->num_verts; v++) { for (uint32_t v = 0; !hit && v < shape->num_verts; v++) {
float lx = s->verts[v].x * s->sx; float lx = shape->verts[v].x * shape->sx;
float ly = s->verts[v].y * s->sy; float ly = shape->verts[v].y * shape->sy;
float wx = s->cx + lx * sc - ly * ss; float wx = shape->cx + lx * sc - ly * ss;
float wy = s->cy + lx * ss + ly * sc; float wy = shape->cy + lx * ss + ly * sc;
if (wx >= min_x && wx <= max_x && if (wx >= min_x && wx <= max_x &&
wy >= min_y && wy <= max_y) wy >= min_y && wy <= max_y)
hit = true; hit = true;
} }
if (hit) { if (hit) {
s->selected = true; shape->selected = true;
selected_count++; selected_count++;
} }
} }
break;
}
idx = (idx + 1) & (SPATIAL_HASH_SIZE - 1);
} while (idx != probe_start);
}
} }
return selected_count; return selected_count;
} }

11
src/types.h
View File

@@ -89,6 +89,8 @@ typedef struct {
int focused_group_id; int focused_group_id;
double last_click_time; double last_click_time;
int last_click_shape_idx; int last_click_shape_idx;
vector_t drag_indices;
} interact_state_t; } interact_state_t;
typedef struct { typedef struct {
@@ -112,6 +114,13 @@ typedef struct {
int list_prev_count; int list_prev_count;
} ui_state_t; } ui_state_t;
typedef struct {
shape_t *shapes;
int shape_count;
group_t *groups;
int group_count;
} clipboard_t;
typedef struct userdata_t { typedef struct userdata_t {
camera_t camera; camera_t camera;
renderer_t renderer; renderer_t renderer;
@@ -127,6 +136,8 @@ typedef struct userdata_t {
sg_buffer corner_vbuf, corner_ibuf; sg_buffer corner_vbuf, corner_ibuf;
int next_group_id; int next_group_id;
vector_t groups; vector_t groups;
clipboard_t clipboard;
float mouse_x, mouse_y;
double time; double time;
} userdata_t; } userdata_t;

8
src/ui_panels.h
View File

@@ -352,8 +352,8 @@ static void draw_properties_panel(userdata_t *ud)
(*m)[2][0], (*m)[2][1], (*m)[2][2], (*m)[2][3], (*m)[2][0], (*m)[2][1], (*m)[2][2], (*m)[2][3],
(*m)[3][0], (*m)[3][1], (*m)[3][2], (*m)[3][3], (*m)[3][0], (*m)[3][1], (*m)[3][2], (*m)[3][3],
s->verts[0].x, s->verts[0].y, s->verts[0].x, s->verts[0].y,
s->cx + s->verts[0].x * s->sx * cosf(s->rotation) - s->verts[0].y * s->sy * sinf(s->rotation), s->cx + s->verts[0].x * s->sx * s->cos_r - s->verts[0].y * s->sy * s->sin_r,
s->cy + s->verts[0].x * s->sx * sinf(s->rotation) + s->verts[0].y * s->sy * cosf(s->rotation), s->cy + s->verts[0].x * s->sx * s->sin_r + s->verts[0].y * s->sy * s->cos_r,
s->cx, s->cy, s->sx, s->sy, s->rotation); s->cx, s->cy, s->sx, s->sy, s->rotation);
if (igButton("Copy Debug", (ImVec2){0, 0})) if (igButton("Copy Debug", (ImVec2){0, 0}))
sapp_set_clipboard_string(dbg); sapp_set_clipboard_string(dbg);
@@ -389,7 +389,9 @@ static void draw_log_panel(userdata_t *ud)
int idx = (start + i) % LOG_RING_SIZE; int idx = (start + i) % LOG_RING_SIZE;
off += snprintf(buf + off, (size_t)(cap - off), "%s\n", ud->ui.log_ring[idx].text); off += snprintf(buf + off, (size_t)(cap - off), "%s\n", ud->ui.log_ring[idx].text);
} }
igSetClipboardText(buf); EM_ASM({
navigator.clipboard.writeText(UTF8ToString($0));
}, buf);
FREE(buf); FREE(buf);
} }
igSameLine(0.0f, 10.0f); igSameLine(0.0f, 10.0f);