*修改文件名

1 files changed, 125 insertions, 0 deletions

diff --git a/src/libjin/Graphics/je_drawable.cpp b/src/libjin/Graphics/je_drawable.cpp
new file mode 100644
index 0000000..9b5746a
--- /dev/null
+++ b/src/libjin/Graphics/je_drawable.cpp
@@ -0,0 +1,125 @@
+#include "../core/je_configuration.h"
+#if LIBJIN_MODULES_RENDER
+
+#include <stdlib.h>
+
+#include "../math/je_matrix.h"
+
+#include "shader/je_shader.h"
+#include "je_drawable.h"
+
+namespace jin
+{
+    namespace graphics
+    {
+
+        Drawable::Drawable(int w, int h)
+            : texture(0)
+            , size(w, h)
+            , anchor(0, 0)
+        {
+            vertex_coords[0] = 0; vertex_coords[1] = 0;
+            vertex_coords[2] = 0; vertex_coords[3] = h;
+            vertex_coords[4] = w; vertex_coords[5] = h;
+            vertex_coords[6] = w; vertex_coords[7] = 0;
+
+            texture_coords[0] = 0; texture_coords[1] = 0;
+            texture_coords[2] = 0; texture_coords[3] = 1;
+            texture_coords[4] = 1; texture_coords[5] = 1;
+            texture_coords[6] = 1; texture_coords[7] = 0;
+        }
+
+        Drawable::Drawable(const Bitmap* bitmap)
+            : texture(0)
+            , anchor(0, 0)
+        {
+            unsigned int w = size.w = bitmap->getWidth();
+            unsigned int h = size.h = bitmap->getHeight();
+
+            vertex_coords[0] = 0; vertex_coords[1] = 0;
+            vertex_coords[2] = 0; vertex_coords[3] = h;
+            vertex_coords[4] = w; vertex_coords[5] = h;
+            vertex_coords[6] = w; vertex_coords[7] = 0;
+
+            texture_coords[0] = 0; texture_coords[1] = 0;
+            texture_coords[2] = 0; texture_coords[3] = 1;
+            texture_coords[4] = 1; texture_coords[5] = 1;
+            texture_coords[6] = 1; texture_coords[7] = 0;
+
+            const Color* pixels = bitmap->getPixels();
+
+            texture = gl.genTexture();
+            gl.bindTexture(texture);
+            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);
+        }
+
+        Drawable::~Drawable()
+        {
+            glDeleteTextures(1, &texture);
+        }
+
+        void Drawable::setAnchor(int x, int y)
+        {
+            anchor.x = x; 
+            anchor.y = y;
+        }
+
+        void Drawable::draw(int x, int y, float sx, float sy, float r)
+        {
+            gl.ModelMatrix.setTransformation(x, y, r, sx, sy, anchor.x, anchor.y);
+
+		    Shader* shader = Shader::getCurrentShader();
+		    shader->sendMatrix4(SHADER_MODEL_MATRIX, &gl.ModelMatrix);
+		    shader->sendMatrix4(SHADER_PROJECTION_MATRIX, &gl.ProjectionMatrix);
+		    shader->bindVertexPointer(2, GL_FLOAT, 0, vertex_coords);
+		    shader->bindUVPointer(2, GL_FLOAT, 0, texture_coords);
+
+            gl.bindTexture(texture);
+            gl.drawArrays(GL_QUADS, 0, 4);
+            gl.bindTexture(0);
+        }
+		
+        void Drawable::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 / size.w;
+            float sly = slice.y / size.h;
+            float slw = slice.w / size.w;
+            float slh = slice.h / size.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(texture);
+            gl.drawArrays(GL_QUADS, 0, 4);
+            gl.bindTexture(0);
+        }
+
+        //void Drawable::setFilter(GLint min, GLint max)
+        //{
+        //    glTexParameteri(GL_)
+        //}
+
+    } // namespace graphics
+} // namespace jin
+
+#endif // LIBJIN_MODULES_RENDER
\ No newline at end of file