v0.1.0

1 files changed, 92 insertions, 0 deletions

diff --git a/src/render/drawable.cpp b/src/render/drawable.cpp
new file mode 100644
index 0000000..45d6044
--- /dev/null
+++ b/src/render/drawable.cpp
@@ -0,0 +1,92 @@
+#include "drawable.h"
+#include "utils/matrix.h"
+#include <stdlib.h>
+namespace jin
+{
+namespace render
+{
+    Drawable::Drawable():texture(0), width(0), height(0), ancx(0), ancy(0), textCoord(0), vertCoord(0)
+    {
+    }
+
+    Drawable::~Drawable()
+    {
+        glDeleteTextures(1, &texture);
+        delete[] vertCoord; 
+        delete[] textCoord;
+    }
+
+    void Drawable::init(int w, int h)
+    {
+        texture   = 0; 
+        width     = w; 
+        height    = h; 
+        ancx      = 0;
+        ancy      = 0; 
+        textCoord = 0;
+        vertCoord = 0;
+    }
+	
+    void Drawable::setVertices(float* v, float* t)
+    {
+        // render area 
+        if (vertCoord)
+            delete[] vertCoord;
+        vertCoord = v;
+
+        // textrue 
+        if (textCoord) 
+            delete[] textCoord; 
+        textCoord = t;
+    }
+
+    void Drawable::setAnchor(int x, int y)
+    {
+        ancx = x; 
+        ancy = y;
+    }
+
+    int Drawable::getWidth()
+    {
+        return width;
+    }
+
+    int Drawable::getHeight()
+    {
+        return height;
+    }
+
+    void Drawable::draw(int x, int y, float sx, float sy, float r)
+    {
+        // Must set textCoord and vertCoord before renderring 
+        if (! textCoord||! vertCoord) return;
+
+        static jin::util::Matrix t;
+        t.setTransformation(x, y, r, sx, sy, ancx, ancy);
+
+        glEnable(GL_TEXTURE_2D);
+
+        glBindTexture(GL_TEXTURE_2D, texture);
+        
+        // push modle matrix
+        glPushMatrix();
+        glMultMatrixf((const GLfloat*)t.getElements());
+
+        glEnableClientState(GL_VERTEX_ARRAY);
+        glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+        glTexCoordPointer(2, GL_FLOAT, 0, textCoord);
+        glVertexPointer(2, GL_FLOAT, 0, vertCoord);
+        glDrawArrays(GL_QUADS, 0, 4);
+        glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+        glDisableClientState(GL_VERTEX_ARRAY);
+
+		// pop the model matrix
+        glPopMatrix();
+
+        // bind texture to default screen 
+        glBindTexture(GL_TEXTURE_2D, 0);
+
+        glDisable(GL_TEXTURE_2D);
+    }
+}
+}