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#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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