*misc

1 files changed, 117 insertions, 0 deletions

diff --git a/src/libjin/Graphics/je_graphic.cpp b/src/libjin/Graphics/je_graphic.cpp
new file mode 100644
index 0000000..831e409
--- /dev/null
+++ b/src/libjin/Graphics/je_graphic.cpp
@@ -0,0 +1,117 @@
+#include "../core/je_configuration.h"
+#if defined(jin_graphics)
+
+#include <stdlib.h>
+
+#include "../math/je_matrix.h"
+
+#include "shader/je_shader.h"
+#include "je_graphic.h"
+
+namespace JinEngine
+{
+    namespace Graphics
+    {
+
+        Graphic::Graphic(int w, int h)
+            : mTexture(0)
+            , mSize(w, h)
+        {
+            mVertexCoords[0] = 0; mVertexCoords[1] = 0;
+            mVertexCoords[2] = 0; mVertexCoords[3] = h;
+            mVertexCoords[4] = w; mVertexCoords[5] = h;
+            mVertexCoords[6] = w; mVertexCoords[7] = 0;
+
+            mTextureCoords[0] = 0; mTextureCoords[1] = 0;
+            mTextureCoords[2] = 0; mTextureCoords[3] = 1;
+            mTextureCoords[4] = 1; mTextureCoords[5] = 1;
+            mTextureCoords[6] = 1; mTextureCoords[7] = 0;
+        }
+
+        Graphic::Graphic(const Bitmap* bitmap)
+            : mTexture(0)
+        {
+            uint32 w = mSize.w = bitmap->getWidth();
+            uint32 h = mSize.h = bitmap->getHeight();
+
+            mVertexCoords[0] = 0; mVertexCoords[1] = 0;
+            mVertexCoords[2] = 0; mVertexCoords[3] = h;
+            mVertexCoords[4] = w; mVertexCoords[5] = h;
+            mVertexCoords[6] = w; mVertexCoords[7] = 0;
+
+            mTextureCoords[0] = 0; mTextureCoords[1] = 0;
+            mTextureCoords[2] = 0; mTextureCoords[3] = 1;
+            mTextureCoords[4] = 1; mTextureCoords[5] = 1;
+            mTextureCoords[6] = 1; mTextureCoords[7] = 0;
+
+            const Color* pixels = bitmap->getPixels();
+
+            mTexture = gl.genTexture();
+            gl.bindTexture(mTexture);
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+            gl.texImage(GL_RGBA8, w, h, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
+            gl.bindTexture(0);
+        }
+
+        Graphic::~Graphic()
+        {
+            glDeleteTextures(1, &mTexture);
+        }
+
+        void Graphic::draw(int x, int y, float sx, float sy, float r, float ox, float oy)
+        {
+            gl.ModelMatrix.setTransformation(x, y, r, sx, sy, ox, oy);
+
+		    Shader* shader = Shader::getCurrentShader();
+		    shader->sendMatrix4(SHADER_MODEL_MATRIX, &gl.ModelMatrix);
+		    shader->sendMatrix4(SHADER_PROJECTION_MATRIX, &gl.ProjectionMatrix);
+		    shader->bindVertexPointer(2, GL_FLOAT, 0, mVertexCoords);
+		    shader->bindUVPointer(2, GL_FLOAT, 0, mTextureCoords);
+
+            gl.bindTexture(mTexture);
+            gl.drawArrays(GL_QUADS, 0, 4);
+            gl.bindTexture(0);
+        }
+		
+        void Graphic::draw(const Math::Quad& slice, int x, int y, float sx, float sy, float r, float ax, float ay)
+        {
+            float vertCoords[8] = {
+                0,       0, 
+                0,       slice.h,
+                slice.w, slice.h,
+                slice.w, 0
+            };
+            float slx = slice.x / mSize.w;
+            float sly = slice.y / mSize.h;
+            float slw = slice.w / mSize.w;
+            float slh = slice.h / mSize.h;
+            float texCoords[8] = {
+                slx,       sly, 
+                slx,       sly + slh,
+                slx + slw, sly + slh, 
+                slx + slw, sly
+            };
+
+            gl.ModelMatrix.setTransformation(x, y, r, sx, sy, ax, ay);
+
+            Shader* shader = Shader::getCurrentShader();
+            shader->sendMatrix4(SHADER_MODEL_MATRIX, &gl.ModelMatrix);
+            shader->sendMatrix4(SHADER_PROJECTION_MATRIX, &gl.ProjectionMatrix);
+            shader->bindVertexPointer(2, GL_FLOAT, 0, vertCoords);
+            shader->bindUVPointer(2, GL_FLOAT, 0, texCoords);
+
+            gl.bindTexture(mTexture);
+            gl.drawArrays(GL_QUADS, 0, 4);
+            gl.bindTexture(0);
+        }
+
+        //void Graphic::setFilter(GLint min, GLint max)
+        //{
+        //    glTexParameteri(GL_)
+        //}
+
+    } // namespace Graphics
+} // namespace JinEngine
+
+#endif // defined(jin_graphics)
\ No newline at end of file