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Add tile_layer_delete_at + tile_layer_depth #290

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Add tile_layer_delete_at + tile_layer_depth #290

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aeaf65b
add tile_layer_delete_at
basiccube Jul 2, 2026
8a2695f
tile_layer_depth (I don't know if it works properly)
basiccube Jul 2, 2026
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46 changes: 46 additions & 0 deletions src/vm_builtins.c
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Original file line number Diff line number Diff line change
Expand Up @@ -12454,6 +12454,22 @@ static RValue builtin_tile_layer_find(VMContext* ctx, RValue* args, MAYBE_UNUSED
return RValue_makeReal(-1.0);
}

// tile_layer_depth(depth, newdepth) - changes the depth of all tiles at the given depth to the new depth.
static RValue builtin_tile_layer_depth(VMContext* ctx, RValue* args, MAYBE_UNUSED int32_t argCount) {
Runner* runner = ctx->runner;
Room* room = runner->currentRoom;
if (room == nullptr) return RValue_makeUndefined();
int32_t depth = RValue_toInt32(args[0]);
int32_t newdepth = RValue_toInt32(args[1]);
for (int32_t i = 0; i < (int32_t) room->tileCount; i++) {
RoomTile* tile = &room->tiles[i];
if (tile->tileDepth != depth) continue;
tile->tileDepth = newdepth;
runner->drawableListSortDirty = true;
}
return RValue_makeUndefined();
}

// tile_layer_delete(depth) - removes every tile at the given depth from the current room.
static RValue builtin_tile_layer_delete(VMContext* ctx, RValue* args, MAYBE_UNUSED int32_t argCount) {
Runner* runner = ctx->runner;
Expand All @@ -12472,6 +12488,34 @@ static RValue builtin_tile_layer_delete(VMContext* ctx, RValue* args, MAYBE_UNUS
return RValue_makeUndefined();
}

// tile_layer_delete_at(depth, x, y) - removes every tile at the given depth and position from the current room.
static RValue builtin_tile_layer_delete_at(VMContext* ctx, RValue* args, MAYBE_UNUSED int32_t argCount) {
Runner* runner = ctx->runner;
Room* room = runner->currentRoom;
if (room == nullptr) return RValue_makeUndefined();
int32_t depth = RValue_toInt32(args[0]);
GMLReal qx = RValue_toReal(args[1]);
GMLReal qy = RValue_toReal(args[2]);
uint32_t write = 0;
bool removedAny = false;
repeat(room->tileCount, i) {
RoomTile* tile = &room->tiles[i];
if (tile->tileDepth == depth) {
GMLReal w = (GMLReal) tile->width * (GMLReal) tile->scaleX;
GMLReal h = (GMLReal) tile->height * (GMLReal) tile->scaleY;
if (qx >= (GMLReal) tile->x && qx < (GMLReal) tile->x + w && qy >= (GMLReal) tile->y && qy < (GMLReal) tile->y + h) {
removedAny = true;
continue;
}
}
if (write != i) room->tiles[write] = room->tiles[i];
write++;
}
room->tileCount = write;
if (removedAny) runner->drawableListStructureDirty = true;
return RValue_makeUndefined();
}

// tile_delete(id) - removes the tile with the given id from the current room.
static RValue builtin_tile_delete(VMContext* ctx, RValue* args, MAYBE_UNUSED int32_t argCount) {
Runner* runner = ctx->runner;
Expand Down Expand Up @@ -16499,7 +16543,9 @@ void VMBuiltins_registerAll(VMContext* ctx) {
VM_registerBuiltin(ctx, "tile_add", builtin_tile_add);
VM_registerBuiltin(ctx, "tile_exists", builtin_tile_exists);
VM_registerBuiltin(ctx, "tile_layer_find", builtin_tile_layer_find);
VM_registerBuiltin(ctx, "tile_layer_depth", builtin_tile_layer_depth);
VM_registerBuiltin(ctx, "tile_layer_delete", builtin_tile_layer_delete);
VM_registerBuiltin(ctx, "tile_layer_delete_at", builtin_tile_layer_delete_at);
VM_registerBuiltin(ctx, "tile_delete", builtin_tile_delete);
VM_registerBuiltin(ctx, "tile_get_ids_at_depth", builtin_tile_get_ids_at_depth);
VM_registerBuiltin(ctx, "tile_set_alpha", builtin_tile_set_alpha);
Expand Down