kolibrios/programs/demos/cubetext/trunk/main.cpp
Yogev Ezra caaa70b394 Add 'cubeline', 'cubetext' and 'gears' source code to SVN.
git-svn-id: svn://kolibrios.org@1789 a494cfbc-eb01-0410-851d-a64ba20cac60
2011-01-29 17:39:35 +00:00

224 lines
5.4 KiB
C++

/*
iadn
http://www.iadn.narod.ru
iadn@bk.ru
*/
#include<menuet/os.h>
#include <kosgl.h> //TinyGL
#include <string.h>
#include "SysCall.h"
#include "ProcessTab.h"
#include "bmp.h"
int Fps (long x, long y);
extern "C"{
void app_main(void);
}
struct {
int x,y;
int dx,dy;
} win;
#define KEY_ESC 1
#define KEY_F 33
char *title1 = "TinyGL in KolibriOS";
char *title2 = "F full screen";
char *title3 = "ESC - exit";
char *fps = "FPS:";
unsigned char FullScreen = 0;
unsigned char skin = 3;
static GLuint* TexObj;
float angle = 0.0;
process_table_entry_* pri;
KOSGLContext cgl;
struct V3{
float v1;
float v2;
float v3;
} ptrv[8] = {{-1.0,1.0,1.0},
{-1.0,-1.0,1.0},
{1.0,-1.0,1.0},
{1.0,1.0,1.0},
{-1.0,1.0,-1.0},
{-1.0,-1.0,-1.0},
{1.0,-1.0,-1.0},
{1.0,1.0,-1.0}};
struct T2{
float t1;
float t2;
} ptrt[4] = {
{0.0, 0.0},
{1.0, 0.0},
{1.0, 1.0},
{0.0, 1.0}
};
void DrawQUADS(V3* ptr, int iv1, int iv2, int iv3, int iv4, T2* ptrt, int it1, int it2, int it3, int it4)
{
glBegin(GL_QUADS);
glTexCoord2fv((float*)&ptrt[it1]);
glVertex3fv((float*)&ptr[iv1]);
glTexCoord2fv((float*)&ptrt[it2]);
glVertex3fv((float*)&ptr[iv2]);
glTexCoord2fv((float*)&ptrt[it3]);
glVertex3fv((float*)&ptr[iv3]);
glTexCoord2fv((float*)&ptrt[it4]);
glVertex3fv((float*)&ptr[iv4]);
glEnd();
}
void DrawGL()
{
glLoadIdentity(); // óñòàíàâëèâàåì åäåíè÷íóþ ìàòðèöó
glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glTranslatef(0.0, 0.0, -6.0);
glRotatef(angle, 1.0, 0.0, 0.0);
glRotatef(2.0*angle, 0.0, 1.0, 0.0);
glRotatef(3.0*angle, 0.0, 0.0, 1.0);
DrawQUADS((V3*)&ptrv,0,1,2,3,(T2*)&ptrt,3,0,1,2);
DrawQUADS((V3*)&ptrv,0,3,7,4,(T2*)&ptrt,1,2,3,0);
DrawQUADS((V3*)&ptrv,4,7,6,5,(T2*)&ptrt,2,3,0,1);
DrawQUADS((V3*)&ptrv,5,6,2,1,(T2*)&ptrt,3,0,1,2);
DrawQUADS((V3*)&ptrv,7,3,2,6,(T2*)&ptrt,3,0,1,2);
DrawQUADS((V3*)&ptrv,5,1,0,4,(T2*)&ptrt,3,0,1,2);
kosglSwapBuffers();
}
void reshape()
{
__menuet__get_process_table((process_table_entry*)pri,-1);
glViewport(0, 0, pri->winx_size, pri->winy_size-20);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(50.0, (GLfloat)pri->winx_size/pri->winy_size, 1.0, 300.0);
glMatrixMode(GL_MODELVIEW);
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
}
void disabletgl()
{
kosglDestroyContext(cgl);
delete pri;
}
void Title()
{
__menuet__write_text(300,8,0x10ffffff,fps,strlen(fps));
__menuet__write_text(8,8,0x10ffffff,title1,strlen(title1));
__menuet__write_text(180,8,0x00ffffff,title2,strlen(title2));
__menuet__write_text(600,8,0x00ffffff,title3,strlen(title3));
}
void draw_window(void)
{
// start redraw
__menuet__window_redraw(1);
// define&draw window
__menuet__define_window(win.x,win.y,win.dx,win.dy,TYPEWIN(0,0,0,1,skin,0,0,0),0,0);
// end redraw
__menuet__window_redraw(2);
// display string
Title();
}
void app_main(void)
{
win.x = 100;
win.y = 100;
win.dx = 400;
win.dy = 400;
draw_window();
cgl = kosglCreateContext( 0, 0);
kosglMakeCurrent( 0, 20, win.dx, win.dy-20, cgl);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glClearDepth(1.0);
glEnable( GL_CULL_FACE );
glEnable(GL_DEPTH_TEST);
int width, height;
unsigned char* texture;
LoadFileBMP( "./logio.bmp", &texture, &width, &height, false );
/* Setup texturing */
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
/* generate texture object IDs */
glGenTextures(1, TexObj);
glBindTexture(GL_TEXTURE_2D, *TexObj);
glTexImage2D(GL_TEXTURE_2D, 0, 3, width, height, 0, GL_RGB, GL_UNSIGNED_BYTE, texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glBindTexture(GL_TEXTURE_2D, *TexObj);
glEnable(GL_TEXTURE_2D);
pri=new process_table_entry_;
SysCall(66,1,1);
reshape();
do{
angle += 0.001 + 0.1*Fps (330,8);
DrawGL();
switch(__menuet__check_for_event())
{
case 1: draw_window();
reshape();
break;
case 2:
switch(__menuet__getkey()){
case KEY_F:
if(!FullScreen){
skin=0;
SysCall(67,0,0,SysCall(14)>>16,SysCall(14)&0xffff);
draw_window();
reshape();
FullScreen = 1;
}
else{
skin=3;
draw_window();
SysCall(67,win.x,win.y,win.dx,win.dy);
reshape();
FullScreen = 0;
};
break;
case KEY_ESC: disabletgl();
return;}
break;
case 3: disabletgl();
return;
}
}while(1);
}