diff options
Diffstat (limited to 'src/floor.c')
| -rw-r--r-- | src/floor.c | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/src/floor.c b/src/floor.c new file mode 100644 index 0000000..22b2718 --- /dev/null +++ b/src/floor.c @@ -0,0 +1,179 @@ +#include "floor.h" + +#include "logger.h" +#include "stdlib.h" + +Tile *SE_CreateTile(TileLayer *layer, TilesetTile *tilesetTile) { + Tile *tile = malloc(sizeof(Tile)); + + tile->id = layer->tileCount; + tile->tilesetTile = tilesetTile; + tile->position = (Vector2){0.0f, 0.0f}; + + layer->tiles[layer->tileCount] = tile; + layer->tileCount++; + + return tile; +} + +void SE_RemoveTile(TileLayer *layer, Tile *tile) { + int index = -1; + + for (int i = 0; i < layer->tileCount; i++) { + Tile *t = layer->tiles[i]; + if (t->id == tile->id) { + index = i; + break; + } + } + + if (index == -1) { + SE_LOG_WARN("Tile doesn't belong to the layer"); + return; + } + + free(tile); + layer->tiles[index] = NULL; + + // clearing layer from null values + int i, j = 0; + Tile **tiles = layer->tiles; + int *count = &layer->tileCount; + + for (i = 0; i < *count; i++) { + if (tiles[i] != NULL) { + tiles[j++] = tiles[i]; + } + } + + *count = j; + + for (i = j; i < *count; i++) { + tiles[i] = NULL; + } +} + +Tile *SE_FindTileAtPosition(TileLayer *layer, Vector2 position) { + Tile *tile = NULL; + + for (int i = 0; i < layer->tileCount; i++) { + Tile *t = layer->tiles[i]; + if (t->position.x == position.x && t->position.y == position.y) { + tile = t; + break; + } + } + + return tile; +} + +TileFloor *SE_CreateTileFloor(int width, int height) { + TileFloor *floor = malloc(sizeof(TileFloor)); + + floor->width = width; + floor->height = height; + floor->layerCount = 0; + + return floor; +} + +TileLayer *SE_CreateTileLayer(TileFloor *floor) { + TileLayer *layer = malloc(sizeof(TileLayer)); + + layer->tileCount = 0; + layer->index = floor->layerCount; + + floor->layers[floor->layerCount] = layer; + floor->layerCount++; + + return layer; +} + +void SE_UpdateTileFloor(EditorState *state, TileFloor *floor, + Camera2D *camera) { + // creating a new layer if it does not exists + TileLayer *layer; + if (floor->layerCount <= state->activeTileLayerId) { + layer = SE_CreateTileLayer(floor); + } else { + layer = floor->layers[state->activeTileLayerId]; + } + + // tile manipulation + Vector2 mousePos = GetScreenToWorld2D(GetMousePosition(), *camera); + + for (int x = 0; x < floor->width; x++) { + for (int y = 0; y < floor->height; y++) { + Vector2 pos = (Vector2){x, y}; + + if (CheckCollisionPointRec( + mousePos, (Rectangle){pos.x * camera->zoom, pos.y * camera->zoom, + camera->zoom, camera->zoom})) { + // placing tiles + if (IsMouseButtonDown(MOUSE_BUTTON_LEFT) && + state->activeTilesetTile != NULL) { + Tile *tile = SE_FindTileAtPosition(layer, pos); + + if (tile == NULL) { + tile = SE_CreateTile(layer, state->activeTilesetTile); + tile->position = pos; + } + + tile->tilesetTile = state->activeTilesetTile; + } + + // removing tiles + if (IsMouseButtonDown(MOUSE_BUTTON_RIGHT)) { + Tile *tile = SE_FindTileAtPosition(layer, pos); + if (tile != NULL) { + SE_RemoveTile(layer, tile); + } + } + } + } + } +} + +void SE_DrawTileFloor(TileFloor *floor, EditorState *state, Camera2D *camera) { + // draw placed tiles + for (int layerIndex = 0; layerIndex < floor->layerCount; layerIndex++) { + TileLayer *layer = floor->layers[layerIndex]; + + for (int tileIndex = 0; tileIndex < layer->tileCount; tileIndex++) { + Tile *tile = layer->tiles[tileIndex]; + + Rectangle s = {0, 0, TILE_WIDTH, TILE_HEIGHT}; + Rectangle d = {tile->position.x * camera->zoom, + tile->position.y * camera->zoom, camera->zoom, + camera->zoom}; + + DrawTexturePro(tile->tilesetTile->texture, s, d, (Vector2){0, 0}, 0.0f, + WHITE); + } + } + + // draw active tile + if (state->activeTilesetTile != NULL) { + Vector2 mousePos = GetScreenToWorld2D(GetMousePosition(), *camera); + Rectangle s = {0, 0, TILE_WIDTH, TILE_HEIGHT}; + Rectangle d = {mousePos.x, mousePos.y, camera->zoom / 2.0f, + camera->zoom / 2.0f}; + DrawTexturePro(state->activeTilesetTile->texture, s, d, (Vector2){0, 0}, + 0.0f, WHITE); + } +} + +void SE_UnloadTileFloor(TileFloor *floor) { + for (int layerIndex = 0; layerIndex < floor->layerCount; layerIndex++) { + TileLayer *layer = floor->layers[layerIndex]; + + for (int tileIndex = 0; tileIndex < layer->tileCount; tileIndex++) { + Tile *tile = layer->tiles[tileIndex]; + free(tile); + } + + free(layer); + } + + free(floor); +}
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