Core sprite classes of the new graphic engine

1 files changed, 90 insertions, 0 deletions

diff --git a/src/graphic/image.h b/src/graphic/image.h
new file mode 100644
index 00000000..f4e5fc5d
--- /dev/null
+++ b/src/graphic/image.h
@@ -0,0 +1,90 @@
+#ifndef _IMAGE_H
+#define _IMAGE_H
+
+#include <string>
+#include <vector>
+#include <iostream>
+#include <allegro.h>
+#include "../log.h"
+using namespace std;
+
+class IMAGE {
+  protected:
+    int offset_x, offset_y;
+  public:
+    IMAGE(int offset_x, int offset_y) {
+      this->offset_x = offset_x;
+      this->offset_y = offset_y;
+    }  
+    virtual void draw(BITMAP *dest, int x, int y) = 0;
+};
+
+class RLE_IMAGE : public IMAGE {
+  private:
+    RLE_SPRITE *src;
+  public:
+    RLE_IMAGE(RLE_SPRITE *src, int offset_x, int offset_y) : IMAGE(offset_x, offset_y) {
+      this->src = src;
+    }
+    ~RLE_IMAGE() {
+      destroy_rle_sprite(src);
+    }  
+    void draw(BITMAP *dest, int x, int y) {
+      draw_rle_sprite(dest, src, x+offset_x, y+offset_y);
+    }    
+};
+
+class VIDEO_IMAGE : public IMAGE {
+  private:
+    BITMAP *src;
+  public:
+    VIDEO_IMAGE(BITMAP *src, int offset_x, int offset_y) : IMAGE(offset_x, offset_y) {
+      this->src = src;
+    }
+    ~VIDEO_IMAGE() {
+      destroy_bitmap(src);
+    }
+    void draw(BITMAP *dest, int x, int y) {
+      masked_blit(src, dest, 0, 0, x+offset_x, y+offset_y, src->w, src->h);
+    }
+};
+
+class SPRITESET {
+  private:
+    int get_property(DATAFILE *datafile, int type) {
+      return atoi(get_datafile_property(datafile, type));
+    }  
+  public:
+    vector<IMAGE *> spriteset; 
+         
+    SPRITESET(string filename) {
+      DATAFILE *datafile = load_datafile(filename.c_str());
+      if(!datafile)error("Unable to load graphic file: " + filename);
+      int i = 0;
+      while(datafile[i].type!=DAT_END) {
+        IMAGE *temp_image;
+        if(gfx_capabilities & GFX_HW_VRAM_BLIT) {
+          BITMAP *temp_video_bitmap = create_video_bitmap(((RLE_SPRITE *)datafile[i].dat)->w, ((RLE_SPRITE *)datafile[i].dat)->h);
+          if(temp_video_bitmap) {
+            clear_to_color(temp_video_bitmap, makecol(255,0,255));
+            draw_rle_sprite(temp_video_bitmap, (RLE_SPRITE *)datafile[i].dat, 0, 0);
+            temp_image = new VIDEO_IMAGE(temp_video_bitmap, get_property(&datafile[i], DAT_ID('X','C','R','P')), get_property(&datafile[i], DAT_ID('Y','C','R','P')));
+          } else {
+            warning("You run out of video memory");
+            RLE_SPRITE *temp_rle_sprite = (RLE_SPRITE *)malloc(datafile[i].size);
+            memcpy(temp_rle_sprite, datafile[i].dat, datafile[i].size);
+            temp_image = new RLE_IMAGE(temp_rle_sprite, get_property(&datafile[i], DAT_ID('X','C','R','P')), get_property(&datafile[i], DAT_ID('Y','C','R','P')));
+          }          
+        } else {
+          RLE_SPRITE *temp_rle_sprite = (RLE_SPRITE *)malloc(datafile[i].size);
+          memcpy(temp_rle_sprite, datafile[i].dat, datafile[i].size);
+          temp_image = new RLE_IMAGE(temp_rle_sprite, get_property(&datafile[i], DAT_ID('X','C','R','P')), get_property(&datafile[i], DAT_ID('Y','C','R','P')));
+        }
+        spriteset.push_back(temp_image);
+        i++;
+      }  
+      unload_datafile(datafile);
+    }
+};
+
+#endif