benkyd/crumpet-engine
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge branch 'master' of https://github.com/plane000/crumpet-engine

Browse Source
This commit is contained in:
Ben
2018-09-17 17:40:41 +01:00
parent d23a792126 11f63887e9
commit 3e6e6f40df
13 changed files with 4746 additions and 47 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
OpenGL/OpenGL.vcxproj
View File

@@ -128,6 +128,10 @@
<ClCompile Include="main.cpp" />
<ClCompile Include="mesh.cpp" />
<ClCompile Include="shader.cpp" />
<<<<<<< HEAD
=======
<ClCompile Include="stb_image.c" />
>>>>>>> 11f63887e9573415f2ed2fed84986ab4c4bd0b4f
<ClCompile Include="texture.cpp" />
</ItemGroup>
<ItemGroup>

6
OpenGL/OpenGL.vcxproj.filters
View File

@@ -5,6 +5,12 @@
<ClCompile Include="display.cpp" />
<ClCompile Include="mesh.cpp" />
<ClCompile Include="shader.cpp" />
<<<<<<< HEAD
=======
<ClCompile Include="stb_image.c">
<Filter>helpers</Filter>
</ClCompile>
>>>>>>> 11f63887e9573415f2ed2fed84986ab4c4bd0b4f
<ClCompile Include="texture.cpp" />
</ItemGroup>
<ItemGroup>

19
OpenGL/headers/display.h
View File

@@ -1,19 +0,0 @@
#pragma once
#include <sdl2/SDL.h>
#include <string>
class Display {
public:
Display(int width, int height, const std::string& title);
void Update();
bool isClosed();
virtual ~Display();
private:
SDL_Window* m_window;
SDL_GLContext m_glContext;
bool m_isClosed;
};

20
OpenGL/headers/shader.h
View File

@@ -1,20 +0,0 @@
#pragma once
#include <string>
#include <iostream>
#include <GL/glew.h>
class Shader {
public:
Shader();
void Bind();
virtual ~Shader();
private:
static const unsigned int NUM_SHADERS = 2;
GLuint CreateShader(const std::string& text, GLenum shaderType);
GLuint m_program;
GLuint m_shaders[NUM_SHADERS];
// 0 = vertex, 1 = fragment
};

21
OpenGL/main.cpp
View File

@@ -9,6 +9,7 @@
#undef main
int main(int argc, char** argv) {
<<<<<<< HEAD
Display display(600, 600, "Crumpet Engine");
glClearColor(0.1f, 0.45f, 0.9f, 1.0f);
@@ -25,6 +26,17 @@ int main(int argc, char** argv) {
// 0.5f, -0.5f, 0.0f, 1.0f, 0.0f, 0.0f, // bottom right
//-0.5f, -0.5f, 0.0f, 0.0f, 1.0f, 0.0f, // bottom left
// 0.0f, 0.5f, 0.0f, 0.0f, 0.0f, 1.0f // top
=======
Display display(800, 800, "Crumpet Engine");
glClearColor(0.1f, 0.45f, 0.9f, 1.0f);
GLfloat vertices[] = {
// positions // colors // texture coords
0.5f, 0.5f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, // top right
0.5f, -0.5f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, // bottom right
-0.5f,-0.5f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, // bottom left
-0.5f, 0.5f, 0.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f // top left
>>>>>>> 11f63887e9573415f2ed2fed84986ab4c4bd0b4f
};
unsigned int indices[] = {
@@ -32,6 +44,7 @@ int main(int argc, char** argv) {
1, 2, 3 // second triangle
};
<<<<<<< HEAD
enum class ShaderMode {
SHADER_TEXURE,
SHADER_COLOUR,
@@ -43,6 +56,11 @@ int main(int argc, char** argv) {
Mesh mesh(vertices, indices, sizeof(vertices) / sizeof(vertices[0]));
Texture chanceCube("C:/Users/Ben/Desktop/crumpet-engine/resources/textures/chance-cube.jpg");
=======
Mesh mesh(vertices, indices, sizeof(vertices) / sizeof(vertices[0]));
Shader shader("E:/Games/Practicing/OpenGL/resources/shaders/simple2d");
Texture chanceCube("E:/Games/Practicing/OpenGL/resources/textures/chance-cube.jpg");
>>>>>>> 11f63887e9573415f2ed2fed84986ab4c4bd0b4f
Shader shader("C:/Users/Ben/Desktop/crumpet-engine/resources/shaders/simple2d");
@@ -66,7 +84,10 @@ int main(int argc, char** argv) {
}
shader.Bind();
<<<<<<< HEAD
=======
>>>>>>> 11f63887e9573415f2ed2fed84986ab4c4bd0b4f
chanceCube.Bind(0);
mesh.Draw();

20
OpenGL/mesh.cpp
View File

@@ -4,11 +4,16 @@ Mesh::Mesh(GLfloat *vertices, unsigned int *indices, unsigned int numVerticies)
m_drawCount = numVerticies;
glGenVertexArrays(1, &m_VAO);
glGenBuffers(1, &m_VBO);
glGenBuffers(1, &m_EBO);
glBindVertexArray(m_VAO);
glGenBuffers(NUM_BUFFERS, m_VBO);
glBindBuffer(GL_ARRAY_BUFFER, m_VBO[POSITION_VB]);
glBufferData(GL_ARRAY_BUFFER, numVerticies * sizeof(vertices[0]), vertices, GL_STATIC_DRAW);
glBindBuffer(GL_ARRAY_BUFFER, m_VBO);
glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_EBO);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(indices), indices, GL_STATIC_DRAW);
// position attribute
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 8 * sizeof(float), (void*)0);
@@ -16,10 +21,19 @@ Mesh::Mesh(GLfloat *vertices, unsigned int *indices, unsigned int numVerticies)
// color attribute
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 8 * sizeof(float), (void*)(3 * sizeof(float)));
glEnableVertexAttribArray(1);
<<<<<<< HEAD
// texture attribute
glVertexAttribPointer(2, 2, GL_FLOAT, GL_FALSE, 8 * sizeof(float), (void*)(6 * sizeof(float)));
glEnableVertexAttribArray(2);
=======
// texture coord attribute
glVertexAttribPointer(2, 2, GL_FLOAT, GL_FALSE, 8 * sizeof(float), (void*)(6 * sizeof(float)));
glEnableVertexAttribArray(2);
glBindVertexArray(0);
>>>>>>> 11f63887e9573415f2ed2fed84986ab4c4bd0b4f
std::cout << "Mesh loaded successfully" << std::endl;
}

6
OpenGL/mesh.h
View File

@@ -13,11 +13,13 @@ public:
private:
enum {
POSITION_VB,
NUM_BUFFERS
NUM_BUFFERS,
TEXCOORD_VB
};
unsigned int m_VAO;
unsigned int m_VBO[NUM_BUFFERS];
unsigned int m_VBO;
unsigned int m_EBO;
unsigned int m_drawCount;
};

4
OpenGL/headers/mesh.h → OpenGL/mesh.h~HEAD
View File

@@ -1,11 +1,13 @@
#pragma once
#include <iostream>
#include <vector>
#include <glm/glm.hpp>
#include <GL/glew.h>
class Mesh {
public:
Mesh(GLfloat *vertices, unsigned int numVerticies);
Mesh(GLfloat *vertices, unsigned int *indices, unsigned int numVerticies);
void Draw();
virtual ~Mesh();
private:

4475
OpenGL/stb_image.c Normal file
View File

File diff suppressed because it is too large Load Diff

197
OpenGL/stb_image.h
View File

@@ -1,3 +1,4 @@
<<<<<<< HEAD
/* stb_image - v2.19 - public domain image loader - http://nothings.org/stb
no warranty implied; use at your own risk
@@ -117,12 +118,28 @@ RECENT REVISION HISTORY:
// int x,y,n;
// unsigned char *data = stbi_load(filename, &x, &y, &n, 0);
// // ... process data if not NULL ...
=======
//// begin header file ////////////////////////////////////////////////////
//
// Limitations:
// - no jpeg progressive support
// - non-HDR formats support 8-bit samples only (jpeg, png)
// - no delayed line count (jpeg) -- IJG doesn't support either
// - no 1-bit BMP
// - GIF always returns *comp=4
//
// Basic usage (see HDR discussion below):
// int x,y,n;
// unsigned char *data = stbi_load(filename, &x, &y, &n, 0);
// // ... process data if not NULL ...
>>>>>>> 11f63887e9573415f2ed2fed84986ab4c4bd0b4f
// // ... x = width, y = height, n = # 8-bit components per pixel ...
// // ... replace '0' with '1'..'4' to force that many components per pixel
// // ... but 'n' will always be the number that it would have been if you said 0
// stbi_image_free(data)
//
// Standard parameters:
<<<<<<< HEAD
// int *x -- outputs image width in pixels
// int *y -- outputs image height in pixels
// int *channels_in_file -- outputs # of image components in image file
@@ -140,6 +157,22 @@ RECENT REVISION HISTORY:
// output otherwise. E.g. if you set desired_channels to 4, you will always
// get RGBA output, but you can check *channels_in_file to see if it's trivially
// opaque because e.g. there were only 3 channels in the source image.
=======
// int *x -- outputs image width in pixels
// int *y -- outputs image height in pixels
// int *comp -- outputs # of image components in image file
// int req_comp -- if non-zero, # of image components requested in result
//
// The return value from an image loader is an 'unsigned char *' which points
// to the pixel data. The pixel data consists of *y scanlines of *x pixels,
// with each pixel consisting of N interleaved 8-bit components; the first
// pixel pointed to is top-left-most in the image. There is no padding between
// image scanlines or between pixels, regardless of format. The number of
// components N is 'req_comp' if req_comp is non-zero, or *comp otherwise.
// If req_comp is non-zero, *comp has the number of components that _would_
// have been output otherwise. E.g. if you set req_comp to 4, you will always
// get RGBA output, but you can check *comp to easily see if it's opaque.
>>>>>>> 11f63887e9573415f2ed2fed84986ab4c4bd0b4f
//
// An output image with N components has the following components interleaved
// in this order in each pixel:
@@ -151,16 +184,24 @@ RECENT REVISION HISTORY:
// 4 red, green, blue, alpha
//
// If image loading fails for any reason, the return value will be NULL,
<<<<<<< HEAD
// and *x, *y, *channels_in_file will be unchanged. The function
// stbi_failure_reason() can be queried for an extremely brief, end-user
// unfriendly explanation of why the load failed. Define STBI_NO_FAILURE_STRINGS
// to avoid compiling these strings at all, and STBI_FAILURE_USERMSG to get slightly
=======
// and *x, *y, *comp will be unchanged. The function stbi_failure_reason()
// can be queried for an extremely brief, end-user unfriendly explanation
// of why the load failed. Define STBI_NO_FAILURE_STRINGS to avoid
// compiling these strings at all, and STBI_FAILURE_USERMSG to get slightly
>>>>>>> 11f63887e9573415f2ed2fed84986ab4c4bd0b4f
// more user-friendly ones.
//
// Paletted PNG, BMP, GIF, and PIC images are automatically depalettized.
//
// ===========================================================================
//
<<<<<<< HEAD
// Philosophy
//
// stb libraries are designed with the following priorities:
@@ -214,6 +255,20 @@ RECENT REVISION HISTORY:
// If for some reason you do not want to use any of SIMD code, or if
// you have issues compiling it, you can disable it entirely by
// defining STBI_NO_SIMD.
=======
// iPhone PNG support:
//
// By default we convert iphone-formatted PNGs back to RGB; nominally they
// would silently load as BGR, except the existing code should have just
// failed on such iPhone PNGs. But you can disable this conversion by
// by calling stbi_convert_iphone_png_to_rgb(0), in which case
// you will always just get the native iphone "format" through.
//
// Call stbi_set_unpremultiply_on_load(1) as well to force a divide per
// pixel to remove any premultiplied alpha *only* if the image file explicitly
// says there's premultiplied data (currently only happens in iPhone images,
// and only if iPhone convert-to-rgb processing is on).
>>>>>>> 11f63887e9573415f2ed2fed84986ab4c4bd0b4f
//
// ===========================================================================
//
@@ -236,7 +291,11 @@ RECENT REVISION HISTORY:
// (linear) floats to preserve the full dynamic range:
//
// float *data = stbi_loadf(filename, &x, &y, &n, 0);
<<<<<<< HEAD
//
=======
//
>>>>>>> 11f63887e9573415f2ed2fed84986ab4c4bd0b4f
// If you load LDR images through this interface, those images will
// be promoted to floating point values, run through the inverse of
// constants corresponding to the above:
@@ -253,6 +312,7 @@ RECENT REVISION HISTORY:
//
// ===========================================================================
//
<<<<<<< HEAD
// iPhone PNG support:
//
// By default we convert iphone-formatted PNGs back to RGB, even though
@@ -306,12 +366,37 @@ RECENT REVISION HISTORY:
#ifndef STBI_NO_STDIO
#include <stdio.h>
#endif // STBI_NO_STDIO
=======
// I/O callbacks
//
// I/O callbacks allow you to read from arbitrary sources, like packaged
// files or some other source. Data read from callbacks are processed
// through a small internal buffer (currently 128 bytes) to try to reduce
// overhead.
//
// The three functions you must define are "read" (reads some bytes of data),
// "skip" (skips some bytes of data), "eof" (reports if the stream is at the end).
#ifndef STBI_NO_STDIO
#if defined(_MSC_VER) && _MSC_VER >= 0x1400
#define _CRT_SECURE_NO_WARNINGS // suppress bogus warnings about fopen()
#endif
#include <stdio.h>
#endif
>>>>>>> 11f63887e9573415f2ed2fed84986ab4c4bd0b4f
#define STBI_VERSION 1
enum
{
<<<<<<< HEAD
STBI_default = 0, // only used for desired_channels
=======
STBI_default = 0, // only used for req_comp
>>>>>>> 11f63887e9573415f2ed2fed84986ab4c4bd0b4f
STBI_grey = 1,
STBI_grey_alpha = 2,
@@ -320,18 +405,24 @@ enum
};
typedef unsigned char stbi_uc;
<<<<<<< HEAD
typedef unsigned short stbi_us;
=======
>>>>>>> 11f63887e9573415f2ed2fed84986ab4c4bd0b4f
#ifdef __cplusplus
extern "C" {
#endif
<<<<<<< HEAD
#ifdef STB_IMAGE_STATIC
#define STBIDEF static
#else
#define STBIDEF extern
#endif
=======
>>>>>>> 11f63887e9573415f2ed2fed84986ab4c4bd0b4f
//////////////////////////////////////////////////////////////////////////////
//
// PRIMARY API - works on images of any type
@@ -341,6 +432,7 @@ extern "C" {
// load image by filename, open file, or memory buffer
//
<<<<<<< HEAD
typedef struct
{
int(*read) (void *user, char *data, int size); // fill 'data' with 'size' bytes. return number of bytes actually read
@@ -409,11 +501,54 @@ extern "C" {
#ifndef STBI_NO_STDIO
STBIDEF int stbi_is_hdr(char const *filename);
STBIDEF int stbi_is_hdr_from_file(FILE *f);
=======
extern stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp);
#ifndef STBI_NO_STDIO
extern stbi_uc *stbi_load(char const *filename, int *x, int *y, int *comp, int req_comp);
extern stbi_uc *stbi_load_from_file(FILE *f, int *x, int *y, int *comp, int req_comp);
// for stbi_load_from_file, file pointer is left pointing immediately after image
#endif
typedef struct
{
int(*read) (void *user, char *data, int size); // fill 'data' with 'size' bytes. return number of bytes actually read
void(*skip) (void *user, unsigned n); // skip the next 'n' bytes
int(*eof) (void *user); // returns nonzero if we are at end of file/data
} stbi_io_callbacks;
extern stbi_uc *stbi_load_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp);
#ifndef STBI_NO_HDR
extern float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp);
#ifndef STBI_NO_STDIO
extern float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp);
extern float *stbi_loadf_from_file(FILE *f, int *x, int *y, int *comp, int req_comp);
#endif
extern float *stbi_loadf_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp, int req_comp);
extern void stbi_hdr_to_ldr_gamma(float gamma);
extern void stbi_hdr_to_ldr_scale(float scale);
extern void stbi_ldr_to_hdr_gamma(float gamma);
extern void stbi_ldr_to_hdr_scale(float scale);
#endif // STBI_NO_HDR
// stbi_is_hdr is always defined
extern int stbi_is_hdr_from_callbacks(stbi_io_callbacks const *clbk, void *user);
extern int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len);
#ifndef STBI_NO_STDIO
extern int stbi_is_hdr(char const *filename);
extern int stbi_is_hdr_from_file(FILE *f);
>>>>>>> 11f63887e9573415f2ed2fed84986ab4c4bd0b4f
#endif // STBI_NO_STDIO
// get a VERY brief reason for failure
// NOT THREADSAFE
<<<<<<< HEAD
STBIDEF const char *stbi_failure_reason(void);
// free the loaded image -- this is just free()
@@ -430,6 +565,21 @@ extern "C" {
STBIDEF int stbi_info_from_file(FILE *f, int *x, int *y, int *comp);
STBIDEF int stbi_is_16_bit(char const *filename);
STBIDEF int stbi_is_16_bit_from_file(FILE *f);
=======
extern const char *stbi_failure_reason(void);
// free the loaded image -- this is just free()
extern void stbi_image_free(void *retval_from_stbi_load);
// get image dimensions & components without fully decoding
extern int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp);
extern int stbi_info_from_callbacks(stbi_io_callbacks const *clbk, void *user, int *x, int *y, int *comp);
#ifndef STBI_NO_STDIO
extern int stbi_info(char const *filename, int *x, int *y, int *comp);
extern int stbi_info_from_file(FILE *f, int *x, int *y, int *comp);
>>>>>>> 11f63887e9573415f2ed2fed84986ab4c4bd0b4f
#endif
@@ -437,6 +587,7 @@ extern "C" {
// for image formats that explicitly notate that they have premultiplied alpha,
// we just return the colors as stored in the file. set this flag to force
// unpremultiplication. results are undefined if the unpremultiply overflow.
<<<<<<< HEAD
STBIDEF void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply);
// indicate whether we should process iphone images back to canonical format,
@@ -7566,3 +7717,49 @@ ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
------------------------------------------------------------------------------
*/
=======
extern void stbi_set_unpremultiply_on_load(int flag_true_if_should_unpremultiply);
// indicate whether we should process iphone images back to canonical format,
// or just pass them through "as-is"
extern void stbi_convert_iphone_png_to_rgb(int flag_true_if_should_convert);
// ZLIB client - used by PNG, available for other purposes
extern char *stbi_zlib_decode_malloc_guesssize(const char *buffer, int len, int initial_size, int *outlen);
extern char *stbi_zlib_decode_malloc(const char *buffer, int len, int *outlen);
extern int stbi_zlib_decode_buffer(char *obuffer, int olen, const char *ibuffer, int ilen);
extern char *stbi_zlib_decode_noheader_malloc(const char *buffer, int len, int *outlen);
extern int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen);
// define faster low-level operations (typically SIMD support)
#ifdef STBI_SIMD
typedef void(*stbi_idct_8x8)(stbi_uc *out, int out_stride, short data[64], unsigned short *dequantize);
// compute an integer IDCT on "input"
// input[x] = data[x] * dequantize[x]
// write results to 'out': 64 samples, each run of 8 spaced by 'out_stride'
// CLAMP results to 0..255
typedef void(*stbi_YCbCr_to_RGB_run)(stbi_uc *output, stbi_uc const *y, stbi_uc const *cb, stbi_uc const *cr, int count, int step);
// compute a conversion from YCbCr to RGB
// 'count' pixels
// write pixels to 'output'; each pixel is 'step' bytes (either 3 or 4; if 4, write '255' as 4th), order R,G,B
// y: Y input channel
// cb: Cb input channel; scale/biased to be 0..255
// cr: Cr input channel; scale/biased to be 0..255
extern void stbi_install_idct(stbi_idct_8x8 func);
extern void stbi_install_YCbCr_to_RGB(stbi_YCbCr_to_RGB_run func);
#endif // STBI_SIMD
#ifdef __cplusplus
}
#endif
//
//
//// end header file /////////////////////////////////////////////////////
>>>>>>> 11f63887e9573415f2ed2fed84986ab4c4bd0b4f

8
OpenGL/texture.cpp
View File

@@ -1,12 +1,20 @@
<<<<<<< HEAD
#define STB_IMAGE_IMPLEMENTATION
#include "stb_image.h"
#include "texture.h"
=======
#include "texture.h"
#include "stb_image.h"
>>>>>>> 11f63887e9573415f2ed2fed84986ab4c4bd0b4f
#include <cassert>
#include <iostream>
Texture::Texture(std::string fileName) {
<<<<<<< HEAD
stbi_set_flip_vertically_on_load(true);
=======
>>>>>>> 11f63887e9573415f2ed2fed84986ab4c4bd0b4f
int width, height, numComponents;
unsigned char* imageData = stbi_load(fileName.c_str(), &width, &height, &numComponents, 4);

7
resources/shaders/simple2d_fragment.glsl
View File

@@ -7,5 +7,10 @@ in vec2 TexCoord;
uniform sampler2D ourTexture;
void main() {
<<<<<<< HEAD
FragColor = texture(ourTexture, TexCoord) * vec4(ourColor, 1.0);
}
}
=======
FragColor = texture(ourTexture, TexCoord);
}
>>>>>>> 11f63887e9573415f2ed2fed84986ab4c4bd0b4f

6
resources/shaders/simple2d_vertex.glsl
View File

@@ -10,4 +10,8 @@ void main() {
gl_Position = vec4(aPos, 1.0);
ourColor = aColor;
TexCoord = aTexCoord;
}
<<<<<<< HEAD
}
=======
}
>>>>>>> 11f63887e9573415f2ed2fed84986ab4c4bd0b4f