feat: draw tiles

2 files changed, 54 insertions, 12 deletions

diff --git a/src/editor.c b/src/editor.c
index 118b1f9..0bb31b2 100644
--- a/src/editor.c
+++ b/src/editor.c
@@ -1,6 +1,7 @@
 #include "editor.h"
 
 #include <stdbool.h>
+#include <stddef.h>
 #include <stdio.h>
 #include <stdlib.h>
 
@@ -30,12 +31,49 @@ void SE_DrawEditor(Editor *editor, Camera2D *camera) {
           (ry < mousePos.y && mousePos.y < ry + zoom)) {
         innerColor = SKYBLUE;
         borderColor = BLUE;
+
+        // placing tiles
+        if (IsMouseButtonDown(MOUSE_BUTTON_LEFT) &&
+            editor->state.selectedTile != NULL) {
+          EditorTile *t = NULL;
+          // checking for existing tiles on the position
+          for (int i = 0; i < editor->state.cache.tilesCount; i++) {
+            EditorTile *tt = editor->state.cache.tiles[i];
+
+            if (tt == NULL) continue;
+
+            if (tt->position.x == x && tt->position.y == y) {
+              t = tt;
+              break;
+            }
+          }
+
+          if (t == NULL) {
+            t = malloc(sizeof(EditorTile));
+            t->position = (Vector2){x, y};
+            editor->state.cache.tiles[editor->state.cache.tilesCount] = t;
+            editor->state.cache.tilesCount++;
+          }
+
+          t->tile = editor->state.selectedTile;
+        }
       }
 
       DrawRectangle(rx, ry, zoom, zoom, innerColor);
       DrawRectangleLines(rx, ry, zoom, zoom, borderColor);
     }
   }
+
+  // rendering placed tiles
+  for (int i = 0; i < editor->state.cache.tilesCount; i++) {
+    EditorTile *t = editor->state.cache.tiles[i];
+    if (t == NULL) continue;
+
+    Rectangle s = {0, 0, 16, 16};
+    Rectangle d = {t->position.x * zoom, t->position.y * zoom, zoom, zoom};
+
+    DrawTexturePro(t->tile->texture, s, d, (Vector2){0, 0}, 0.0f, WHITE);
+  }
 }
 
 void drawBuildTab(Editor *editor, int x, int y, int width, int height) {
@@ -83,10 +121,8 @@ void drawBuildTab(Editor *editor, int x, int y, int width, int height) {
 
   // rendering floor tiles in grid
   int row = 0, column = 0, texturesPerRow = 10;
-  for (int i = 0; i < sizeof(editor->state.cache.tiles) /
-                          sizeof(editor->state.cache.tiles[0]);
-       i++) {
-    EditorTile *tile = editor->state.cache.tiles[i];
+  for (int i = 0; i < editor->state.cache.tileDataSize; i++) {
+    EditorTileData *tile = editor->state.cache.tileData[i];
     if (tile == NULL) continue;
 
     row = i / texturesPerRow;
@@ -308,10 +344,10 @@ void drawCreatingNewBlock(Editor *editor) {
     close = true;
 
     if (state->isFloor) {
-      int id = editor->state.cache.tileCacheSize;
+      int id = editor->state.cache.tileDataSize;
 
-      EditorTile *tile = malloc(sizeof(EditorTile));
-      editor->state.cache.tiles[id] = tile;
+      EditorTileData *tile = malloc(sizeof(EditorTileData));
+      editor->state.cache.tileData[id] = tile;
 
       tile->data = (XdTileData){};
       tile->data.id = id;
@@ -319,7 +355,7 @@ void drawCreatingNewBlock(Editor *editor) {
 
       tile->texture = state->upTexture;
 
-      editor->state.cache.tileCacheSize++;
+      editor->state.cache.tileDataSize++;
     }
   }
 
diff --git a/src/editor.h b/src/editor.h
index 02966f1..5e51682 100644
--- a/src/editor.h
+++ b/src/editor.h
@@ -17,12 +17,18 @@ typedef struct {
 typedef struct {
     XdTileData data;
     Texture2D texture;
+} EditorTileData;
+
+typedef struct {
+    EditorTileData *tile;
+    Vector2 position;
 } EditorTile;
 
 typedef struct {
-    int tileCacheSize;
-    EditorTile *tiles[200];
-    Texture2D *textureCache[];
+    int tileDataSize;
+    int tilesCount;
+    EditorTileData *tileData[200];
+    EditorTile *tiles[];
 } EditorCache;
 
 typedef struct {
@@ -30,8 +36,8 @@ typedef struct {
     EditorCreateBlockState *createBlockState;
     Rectangle panelView;
     Vector2 panelScroll;
+    EditorTileData *selectedTile;
     EditorCache cache;
-    EditorTile *selectedTile;
 } EditorState;
 
 typedef struct {