Added RenderCamera and RenderView class skeletons. Also added a common GL header file.

.gitignore

@@ -0,0 +1,5 @@
+.DS_Store
+# vim swap files
+.*.sw?
+# compiled stuff
+*.o

build/osx/Roll them Bones.xcodeproj/project.pbxproj

@@ -11,6 +11,8 @@
 		20138FCE1A3DC7A700FD0095 /* SDL2.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 20138FCD1A3DC7A700FD0095 /* SDL2.framework */; };
 		205D36CE1A6749FB00C05BD8 /* main.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 205D36CD1A6749FB00C05BD8 /* main.cpp */; };
 		205D370C1A674B1D00C05BD8 /* OpenGL.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 205D370B1A674B1D00C05BD8 /* OpenGL.framework */; };
+		20A8CE541A899B72004D2504 /* RenderCamera.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 20A8CE501A899B72004D2504 /* RenderCamera.cpp */; };
+		20A8CE551A899B72004D2504 /* RenderView.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 20A8CE521A899B72004D2504 /* RenderView.cpp */; };
 		8D11072F0486CEB800E47090 /* Cocoa.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 1058C7A1FEA54F0111CA2CBB /* Cocoa.framework */; };
 /* End PBXBuildFile section */
 
@@ -20,6 +22,11 @@
 		20138FCD1A3DC7A700FD0095 /* SDL2.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = SDL2.framework; path = /Library/Frameworks/SDL2.framework; sourceTree = "<absolute>"; };
 		205D36CD1A6749FB00C05BD8 /* main.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = main.cpp; path = ../../src/main.cpp; sourceTree = SOURCE_ROOT; };
 		205D370B1A674B1D00C05BD8 /* OpenGL.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = OpenGL.framework; path = /System/Library/Frameworks/OpenGL.framework; sourceTree = "<absolute>"; };
+		20A8CE501A899B72004D2504 /* RenderCamera.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = RenderCamera.cpp; path = ../../src/RenderCamera.cpp; sourceTree = SOURCE_ROOT; };
+		20A8CE511A899B72004D2504 /* RenderCamera.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; name = RenderCamera.hpp; path = ../../src/RenderCamera.hpp; sourceTree = SOURCE_ROOT; };
+		20A8CE521A899B72004D2504 /* RenderView.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = RenderView.cpp; path = ../../src/RenderView.cpp; sourceTree = SOURCE_ROOT; };
+		20A8CE531A899B72004D2504 /* RenderView.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; name = RenderView.hpp; path = ../../src/RenderView.hpp; sourceTree = SOURCE_ROOT; };
+		20A8CE681A899CF6004D2504 /* GL.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; name = GL.hpp; path = ../../src/GL.hpp; sourceTree = SOURCE_ROOT; };
 		8D1107320486CEB800E47090 /* Roll them Bones.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = "Roll them Bones.app"; sourceTree = BUILT_PRODUCTS_DIR; };
 /* End PBXFileReference section */
 
@@ -41,6 +48,10 @@
 		080E96DDFE201D6D7F000001 /* Classes */ = {
 			isa = PBXGroup;
 			children = (
+				20A8CE501A899B72004D2504 /* RenderCamera.cpp */,
+				20A8CE511A899B72004D2504 /* RenderCamera.hpp */,
+				20A8CE521A899B72004D2504 /* RenderView.cpp */,
+				20A8CE531A899B72004D2504 /* RenderView.hpp */,
 			);
 			name = Classes;
 			sourceTree = "<group>";
@@ -95,6 +106,7 @@
 		29B97315FDCFA39411CA2CEA /* Other Sources */ = {
 			isa = PBXGroup;
 			children = (
+				20A8CE681A899CF6004D2504 /* GL.hpp */,
 			);
 			name = "Other Sources";
 			sourceTree = "<group>";
@@ -179,6 +191,8 @@
 			buildActionMask = 2147483647;
 			files = (
 				205D36CE1A6749FB00C05BD8 /* main.cpp in Sources */,
+				20A8CE541A899B72004D2504 /* RenderCamera.cpp in Sources */,
+				20A8CE551A899B72004D2504 /* RenderView.cpp in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

src/GL.hpp

@@ -0,0 +1,12 @@
+/* ================================================================
+This file provides common includes to access OpenGL types and functions
+================================================================ */
+#if defined(__IPHONEOS__) || defined(__ANDROID__)
+#define HAVE_OPENGLES
+#endif
+
+#ifdef HAVE_OPENGLES
+#include "SDL_opengles.h"
+#else
+#include "SDL_opengl.h"
+#endif

src/RenderCamera.cpp

@@ -0,0 +1,19 @@
+/* ================================================================
+RenderCamera
+----------------
+This header file defines the RenderCamera class.
+================================================================ */
+#include "RenderCamera.hpp"
+/* ======== Constructors and Destructors ======== */
+RenderCamera::RenderCamera() {
+  render_mode = 0;
+  render_view = NULL;
+}
+RenderCamera::~RenderCamera() {
+}
+/* ======== Setter functions ======== */
+int RenderCamera::setRenderView(RenderView *rv) {
+  if (rv == NULL) return 1;
+  render_view = rv;
+  return 0;
+}

src/RenderCamera.hpp

@@ -0,0 +1,24 @@
+/* ================================================================
+RenderCamera
+----------------
+This header file describes the RenderCamera class.
+
+A RenderCamera is the object responsible for providing a rendering position,
+orientation, and perspective transformations. A RenderCamera exists within a
+RenderScene and outputs all data to the friend class, RenderView.
+================================================================ */
+#ifndef RENDERCAMERA_HPP
+#define RENDERCAMERA_HPP
+#include "GL.hpp"
+#include "RenderView.hpp"
+class RenderCamera {
+  public:
+    RenderCamera();
+    ~RenderCamera();
+    int setRenderView(RenderView *view);
+  private:
+    //Vec3 x, y, z;           // TODO: replace with quaternion
+    int render_mode;          // 0 = perspective, 1 = orthogonal
+    RenderView *render_view;  // RenderView to render the scene to
+};
+#endif

src/RenderView.cpp

@@ -0,0 +1,25 @@
+/* ================================================================
+RenderView
+----------------
+This file defines our RenderView object.
+================================================================ */
+#include "RenderView.hpp"
+/* ======== Constructors and Destructors ======== */
+RenderView::RenderView(unsigned int width, unsigned int height) {
+  program = fbo = fbo_depth = fbo_tex = 0;
+  w = h = 0;
+  x = y = 0;
+  createView(width, height);
+}
+RenderView::~RenderView() {
+  destroyView();
+}
+/* ======== Setters ======== */
+int RenderView::createView(unsigned int width, unsigned int height) {
+  // TODO: call destroyView() and create new FBO at width and height
+  return 0;
+}
+int RenderView::destroyView() {
+  // TODO: destroy FBO
+  return 0;
+}

src/RenderView.hpp

@@ -0,0 +1,28 @@
+/* ================================================================
+RenderView
+----------------
+This header file describes our RenderView object.
+
+A RenderView is the target of a RenderCamera and consists of a framebuffer
+object and shader program to render said framebuffer. For all intents and
+purposes, it is a wrapper around a FBO.
+================================================================ */
+#ifndef RENDERVIEW_HPP
+#define RENDERVIEW_HPP
+#include "GL.hpp"
+class RenderView {
+  friend class RenderCamera;
+  public:
+    RenderView(unsigned int width, unsigned int height);
+    ~RenderView();
+  private:
+    GLuint program;     // Compiled shader program to render with
+    GLuint fbo;         // The fbo that RenderCamera will draw to
+    GLuint fbo_depth;   // The fbo depth buffer
+    GLuint fbo_tex;     // The texture of the fbo
+    unsigned int w, h;  // width and height of this view (also of fbo)
+    int x, y;           // x and y offsets of rendering to screen
+    int createView(unsigned int width, unsigned int height);
+    int destroyView();
+};
+#endif

src/main.cpp

@@ -1,14 +1,5 @@
 #include "SDL.h"
-
-#if defined(__IPHONEOS__) || defined(__ANDROID__)
-#define HAVE_OPENGLES
-#endif
-
-#ifdef HAVE_OPENGLES
-#include "SDL_opengles.h"
-#else
-#include "SDL_opengl.h"
-#endif
+#include "GL.hpp"
 
 int main(int argc, char *argv[]) {
   // TEMP location of video vars