448 lines
12 KiB
C++
448 lines
12 KiB
C++
#include <iostream>
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#include <cmath>
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#include <SDL_image.h>
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#include <SDL_opengl.h>
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#include "common_sdl_gl.h"
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#include "opengta.h"
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extern SDL_Surface* screen;
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GLfloat mapPos[2] = {0.0f, 0.0f};
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OpenGTA::Map *map = NULL;
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float slope_raw_data[45][5][4][3] = {
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#include "slope1_data.h"
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};
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float lid_normal_data[45][3] = {
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#include "lid_normal_data.h"
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};
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int slope_idx = 0;
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float angle = 0;
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GLuint north, south, west, east, lid;
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void on_exit() {
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SDL_Quit();
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if (map)
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delete map;
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PHYSFS_deinit();
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if (global_EC)
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std::cerr << "Exiting after fatal problem - please see output above" << std::endl;
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else
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std::cout << "Goodbye" << std::endl;
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}
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void handleKeyPress( SDL_keysym *keysym ) {
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switch ( keysym->sym ) {
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case SDLK_ESCAPE:
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global_Done = 1;
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break;
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case SDLK_LEFT:
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mapPos[0] -= 1.0f;
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break;
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case SDLK_RIGHT:
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mapPos[0] += 1.0f;
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break;
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case SDLK_UP:
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mapPos[1] += 1.0f;
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break;
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case SDLK_DOWN:
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mapPos[1] -= 1.0f;
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break;
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case 'a':
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glEnable(GL_CULL_FACE);
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printf("backfaces culled\n");
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break;
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case 'b':
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glDisable(GL_CULL_FACE);
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printf("all faces drawn\n");
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break;
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case '.':
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angle += 1.0f;
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break;
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case ',':
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angle -= 1.0f;
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break;
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case '+':
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slope_idx++;
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if (slope_idx > 44)
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slope_idx = 44;
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printf("now %i\n", slope_idx);
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break;
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case '-':
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slope_idx--;
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if (slope_idx < 0)
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slope_idx = 0;
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printf("now %i\n", slope_idx);
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break;
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default:
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break;
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}
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}
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void draw_slope(float size, int which) {
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float red = 0.4;
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float green = 0.7;
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float blue = 0.3;
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#if 0
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float x1,x2,y1,y2,z1,z2 = 0.0f;
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x1 = slope_raw_data[which][0][0][0] - slope_raw_data[which][0][1][0];
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y1 = slope_raw_data[which][0][0][1] - slope_raw_data[which][0][1][1];
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z1 = slope_raw_data[which][0][0][2] - slope_raw_data[which][0][1][2];
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x2 = slope_raw_data[which][0][1][0] - slope_raw_data[which][0][2][0];
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y2 = slope_raw_data[which][0][1][1] - slope_raw_data[which][0][2][1];
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z2 = slope_raw_data[which][0][1][2] - slope_raw_data[which][0][2][2];
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float nx,ny,nz,vLen = 0.0f;
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nx = (y1 * z2) - (z1 * y2);
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ny = (z1 * x2) - (x1 * z2);
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nz = (x1 * y2) - (y1 * x2);
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vLen = sqrt( (nx * nx) + (ny * ny) + (nz * nz) );
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nx /= vLen;
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ny /= vLen;
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nz /= vLen;
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//std::cout << nx << " " << ny << " " << nz << std::endl;
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#endif
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float nx = lid_normal_data[which][0];
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float ny = lid_normal_data[which][1];
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float nz = lid_normal_data[which][2];
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GLfloat lidTex[8] = {1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f};
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//GLfloat lidTex[8] = {0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 1.0f, 0.0f, 1.0f};
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#ifdef GLTEX_HELPER
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#undef GLTEX_HELPER
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#endif
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#define GLTEX_HELPER \
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glTexCoord2f(lidTex[jj], lidTex[jj+1]); jj += 2; if (jj > 6) { jj = 0; }
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for (int i=0; i<5; i++) {
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if (i == 0) {
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red = green = 0.0f;
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blue = 1.0f;
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}
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else if (i == 1) {
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red = blue = 0.0f;
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green = 1.0f;
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}
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else if (i == 2) {
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red = 1.0f;
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blue = green = 0.0f;
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}
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else if (i == 3) {
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red = 0.0f;
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blue = green = 1.0f;
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}
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else if (i == 4) {
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red = green = 1.0f;
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blue = 0.0f;
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}
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if (which == 41 && i == 1)
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continue;
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if (which == 42 && i == 2)
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continue;
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if (which == 43 && i == 4)
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continue;
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if (which == 44 && i == 3)
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continue;
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/*
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if (i == 0)
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glBindTexture(GL_TEXTURE_2D, lid);
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if (i == 1)
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glBindTexture(GL_TEXTURE_2D, north);
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if (i == 2)
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glBindTexture(GL_TEXTURE_2D, south);
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if (i == 3)
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glBindTexture(GL_TEXTURE_2D, east); // FIXME: flipped west<->east ???
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if (i == 4)
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glBindTexture(GL_TEXTURE_2D, west);
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*/
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glBegin(GL_QUADS);
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glColor3f(red, green, blue);
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switch(i) {
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case 0:
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glNormal3f(nx, ny, nz);
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break;
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case 1:
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glNormal3f(0.0f, 0.0f, 1.0f);
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break;
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case 2:
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glNormal3f(0.0f, 0.0f, -1.0f);
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break;
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case 3:
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glNormal3f(-1.0f, 0.0f, 0.0f);
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break;
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case 4:
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glNormal3f(1.0f, 0.0f, 0.0f);
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break;
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}
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int jj = 0;
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for (int j=0; j < 4; j++) {/*
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switch(j) {
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case 0:
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//glNormal3f(0.0f, 0.0f, 1.0f);
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break;
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case 1:
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//glNormal3f(0.0f, -1.0f, 0.0f);
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break;
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case 2:
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//glNormal3f(0.0f, 1.0f, 0.0f);
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break;
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}*/
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//GLTEX_HELPER;
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glVertex3f(slope_raw_data[which][i][j][0],
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slope_raw_data[which][i][j][1],
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slope_raw_data[which][i][j][2]);
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}
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glEnd();
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#if 0
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if (i == 0) {
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glBegin(GL_LINES);
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glColor3f(0.0f, 0.0f, 0.5f);
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glVertex3f(0.5f, 1.0f, -0.5f);
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glColor3f(1.0f, 1.0f, 1.0f);
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glVertex3f(0.5f+nx, 1.0f+ny, -0.5f+nz);
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glEnd();
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}
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if (i == 1) {
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glBegin(GL_LINES);
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glColor3f(0.0f, 0.5f, 0.0f);
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glVertex3f(0.5f, 0.5f, 0.0f);
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glColor3f(1.0f, 1.0f, 1.0f);
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glVertex3f(0.5f, 0.5f, 1.0f);
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glEnd();
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}
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if (i == 2) {
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glBegin(GL_LINES);
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glColor3f(0.5f, 0.0f, 0.0f);
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glVertex3f(0.5f, 0.5f, -1.0f);
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glColor3f(1.0f, 1.0f, 1.0f);
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glVertex3f(0.5f, 0.5f, -2.0f);
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glEnd();
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}
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if (i == 3) {
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glBegin(GL_LINES);
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glColor3f(0.0f, 0.5f, 0.5f);
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glVertex3f(0.0f, 0.5f, -0.5f);
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glColor3f(1.0f, 1.0f, 1.0f);
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glVertex3f(-1.0f, 0.5f, -0.5f);
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glEnd();
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}
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if (i == 4) {
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glBegin(GL_LINES);
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glColor3f(0.5f, 0.5f, 0.0f);
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glVertex3f(1.0f, 0.5f, -0.5f);
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glColor3f(1.0f, 1.0f, 1.0f);
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glVertex3f(2.0f, 0.5f, -0.5f);
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glEnd();
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}
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#endif
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}
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}
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#if 0
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void draw_cube(float size) {
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/* thanks to lesson 6 at Nehe */
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glDisable(GL_TEXTURE_2D);
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glBegin(GL_QUADS);
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glColor3f(1.0f, 0.0f, 1.0f);
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// Front Face
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glTexCoord2f(0.0f, 0.0f);
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glNormal3f(0.0f, 1.0f, 0.0f);
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glVertex3f(-size, -size, size);// Bottom Left Of The Texture and Quad
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glTexCoord2f(1.0f, 0.0f);
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glVertex3f( size, -size, size);// Bottom Right Of The Texture and Quad
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glTexCoord2f(1.0f, 1.0f);
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glVertex3f( size, size, size);// Top Right Of The Texture and Quad
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glTexCoord2f(0.0f, 1.0f);
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glVertex3f(-size, size, size);// Top Left Of The Texture and Quad
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glColor3f(1.0f, 0.0f, 0.0f);
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// Back Face
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glTexCoord2f(1.0f, 0.0f);
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glNormal3f(0.0f, -1.0f, 0.0f);
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glVertex3f(-size, -size, -size);// Bottom Right Of The Texture and Quad
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glTexCoord2f(1.0f, 1.0f);
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glVertex3f(-size, size, -size);// Top Right Of The Texture and Quad
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glTexCoord2f(0.0f, 1.0f);
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glVertex3f( size, size, -size);// Top Left Of The Texture and Quad
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glTexCoord2f(0.0f, 0.0f);
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glVertex3f( size, -size, -size);// Bottom Left Of The Texture and Quad
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glColor3f(1.0f, 1.0f, 1.0f);
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// Top Face
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glTexCoord2f(0.0f, 1.0f);
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glNormal3f(0.0f, 0.0f, 1.0f);
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glVertex3f(-size, size, -size);// Top Left Of The Texture and Quad
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glTexCoord2f(0.0f, 0.0f);
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glVertex3f(-size, size, size);// Bottom Left Of The Texture and Quad
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glTexCoord2f(1.0f, 0.0f);
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glVertex3f( size, size, size);// Bottom Right Of The Texture and Quad
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glTexCoord2f(1.0f, 1.0f);
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glVertex3f( size, size, -size);// Top Right Of The Texture and Quad
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// Bottom Face
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glColor3f(1.0f, 1.0f, 1.0f);
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glTexCoord2f(1.0f, 1.0f);
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glNormal3f(0.0f, 0.0f, -1.0f);
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glVertex3f(-size, -size, -size);// Top Right Of The Texture and Quad
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glTexCoord2f(0.0f, 1.0f);
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glVertex3f( size, -size, -size);// Top Left Of The Texture and Quad
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glTexCoord2f(0.0f, 0.0f);
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glVertex3f( size, -size, size);// Bottom Left Of The Texture and Quad
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glTexCoord2f(1.0f, 0.0f);
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glVertex3f(-size, -size, size);// Bottom Right Of The Texture and Quad
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// Right face
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glColor3f(1.0f, 1.0f, 1.0f);
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glTexCoord2f(1.0f, 0.0f);
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glNormal3f(1.0f, 0.0f, 0.0f);
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glVertex3f( size, -size, -size);// Bottom Right Of The Texture and Quad
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glTexCoord2f(1.0f, 1.0f);
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glVertex3f( size, size, -size);// Top Right Of The Texture and Quad
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glTexCoord2f(0.0f, 1.0f);
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glVertex3f( size, size, size);// Top Left Of The Texture and Quad
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glTexCoord2f(0.0f, 0.0f);
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glVertex3f( size, -size, size);// Bottom Left Of The Texture and Quad
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// Left Face
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glColor3f(1.0f, 1.0f, 1.0f);
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glTexCoord2f(0.0f, 0.0f);
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glNormal3f(-1.0f, 0.0f, 0.0f);
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glVertex3f(-size, -size, -size);// Bottom Left Of The Texture and Quad
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glTexCoord2f(1.0f, 0.0f);
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glVertex3f(-size, -size, size);// Bottom Right Of The Texture and Quad
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glTexCoord2f(1.0f, 1.0f);
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glVertex3f(-size, size, size);// Top Right Of The Texture and Quad
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glTexCoord2f(0.0f, 1.0f);
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glVertex3f(-size, size, -size);// Top Left Of The Texture and Quad
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glEnd();
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}
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#endif
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void drawScene() {
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glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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glLoadIdentity();
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gluLookAt(5.0f, 5.0f, 5.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f);
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glTranslatef(mapPos[0], mapPos[1], 0.0f);
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/*
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for (int i=0; i<50; i++) {
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glPushMatrix();
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glTranslatef(0.0f, float(i), 0.0f);
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for (int j=0; j<50; j++) {
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glTranslatef(1.0f, 0.0f, 0.0f);
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float step_col = 0.0f;
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glColor3f(0.2f+step_col, 0.2f+step_col, 1.0f-step_col);
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PHYSFS_uint16 emptycount = map->getNumBlocksAt(j,i);
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glPushMatrix();
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for(int c=0; c < 6 - emptycount; c++) {
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draw_cube(0.5f);
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glTranslatef(0.0f, 0.0f, 1.0f);
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step_col += 0.2;
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glColor3f(0.2f+step_col, 0.1f+step_col, 1.0f-step_col);
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}
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glPopMatrix();
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}
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glPopMatrix();
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}*/
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//draw_cube(1.0f);
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glRotatef(angle, 0, 1, 0);
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glEnable(GL_TEXTURE_2D);
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draw_slope(1.0f, slope_idx);
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SDL_GL_SwapBuffers();
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}
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GLuint createGLTexture(GLsizei w, GLsizei h, const void* pixels) {
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GLuint tex;
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glGenTextures(1, &tex);
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glBindTexture(GL_TEXTURE_2D, tex);
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glEnable(GL_COLOR_MATERIAL);
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//glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, param);
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//glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, param);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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// GL_LINEAR_MIPMAP_LINEAR);
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/*gluBuild2DMipmaps(GL_TEXTURE_2D, GL_RGB, w,
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h, GL_RGB, GL_UNSIGNED_BYTE, pixels);
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*/
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, w, h, 0, GL_RGB, GL_UNSIGNED_BYTE, pixels);
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return tex;
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}
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void run_main() {
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SDL_Event event;
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int paused = 0;
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PHYSFS_init("mapview");
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PHYSFS_addToSearchPath(PHYSFS_getBaseDir(), 1);
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/*
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SDL_Surface * tex = IMG_Load("lid.jpg");
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SDL_LockSurface(tex);
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lid = createGLTexture(tex->w, tex->h, tex->pixels);
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SDL_UnlockSurface(tex);
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SDL_FreeSurface(tex);
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tex = IMG_Load("north.jpg");
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SDL_LockSurface(tex);
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north = createGLTexture(tex->w, tex->h, tex->pixels);
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SDL_UnlockSurface(tex);
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SDL_FreeSurface(tex);
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tex = IMG_Load("south.jpg");
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SDL_LockSurface(tex);
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south = createGLTexture(tex->w, tex->h, tex->pixels);
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SDL_UnlockSurface(tex);
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SDL_FreeSurface(tex);
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tex = IMG_Load("west.jpg");
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SDL_LockSurface(tex);
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west = createGLTexture(tex->w, tex->h, tex->pixels);
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SDL_UnlockSurface(tex);
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SDL_FreeSurface(tex);
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tex = IMG_Load("east.jpg");
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SDL_LockSurface(tex);
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east = createGLTexture(tex->w, tex->h, tex->pixels);
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SDL_UnlockSurface(tex);
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SDL_FreeSurface(tex);
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*/
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//glDisable(GL_COLOR_MATERIAL);
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glCullFace(GL_BACK);
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//glEnable(GL_CULL_FACE);
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//map = new OpenGTA::Map("NYC.CMP");
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while(!global_Done && !global_EC) {
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while (SDL_PollEvent(&event)) {
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switch(event.type) {
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case SDL_ACTIVEEVENT:
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if (event.active.gain == 0)
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paused = 1;
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else
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paused = 0;
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break;
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case SDL_KEYDOWN:
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handleKeyPress(&event.key.keysym);
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break;
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case SDL_VIDEORESIZE:
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screen = SDL_SetVideoMode( event.resize.w,
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event.resize.h, 32, videoFlags );
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if (!screen)
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ERROR("Failed to set video mode after resize event");
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resize(event.resize.w, event.resize.h);
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break;
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case SDL_QUIT:
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global_Done = 1;
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break;
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default:
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break;
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}
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}
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if (!paused)
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drawScene();
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}
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glDeleteTextures(1, &lid);
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glDeleteTextures(1, &north);
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glDeleteTextures(1, &south);
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glDeleteTextures(1, &west);
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glDeleteTextures(1, &east);
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}
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