mp2i-vms.fr
300 lines
14 KiB
C
300 lines
14 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <assert.h>
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#include <math.h>
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#include <stdbool.h>
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#include <unistd.h>
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#include <termios.h>
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#include <limits.h>
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#include <time.h>
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#include <glad/glad.h>
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#include <GLFW/glfw3.h>
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#include <cglm/cglm.h>
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#include "hash.h"
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#include "base.h"
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#include "move.h"
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#include "menus.h"
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#include "proj.h"
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#include "entities.h"
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#include "generation.h"
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#include "display.h"
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int flashlight = 10 ;
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int MAX_SIZE = 8192 ;
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int* drawOrder ;
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int loc_scale;
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int loc_model;
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int loc_view;
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int loc_proj;
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int loc_frag;
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int loc_tex;
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int loc_tex_tr;
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void init_draworder() {
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drawOrder = malloc(sizeof(int)*6) ;
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}
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float vertices_tr[9] ;
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void gl_renderTriangle(unsigned int shaderProgram, unsigned int VAO, unsigned int VBO, double x0, double y0, double z0, double x1, double y1, double z1, double x2, double y2, double z2, float r, float g, float b) {
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vertices_tr[0] = (float)x0;
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vertices_tr[1] = (float)y0;
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vertices_tr[2] = (float)z0;
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vertices_tr[3] = (float)x1;
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vertices_tr[4] = (float)y1;
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vertices_tr[5] = (float)z1;
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vertices_tr[6] = (float)x2;
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vertices_tr[7] = (float)y2;
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vertices_tr[8] = (float)z2;
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glBindBuffer(GL_ARRAY_BUFFER, VBO);
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glBufferData(GL_ARRAY_BUFFER, sizeof(vertices_tr), vertices_tr, GL_STATIC_DRAW);
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glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(float), (void*)0);
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glEnableVertexAttribArray(0);
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// note that this is allowed, the call to glVertexAttribPointer registered VBO as the vertex attribute's bound vertex buffer object so afterwards we can safely unbind
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glBindBuffer(GL_ARRAY_BUFFER, 0);
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// You can unbind the VAO afterwards so other VAO calls won't accidentally modify this VAO, but this rarely happens. Modifying other
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// VAOs requires a call to glBindVertexArray anyways so we generally don't unbind VAOs (nor VBOs) when it's not directly necessary.
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glBindVertexArray(0);
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glUseProgram(shaderProgram);
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glBindVertexArray(VAO);
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glDrawArrays(GL_TRIANGLES, 0, 3);
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}
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//double near = 0.4 ;
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double near = 0.0 ;
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double far = 10.0 ;
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double top = 1.0 ;
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double bottom = -1.0 ;
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double left = -1.0 ;
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double right = 1.0 ;
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mat4 model, view, projection;
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mat4 scale;
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mat2 texShift;
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float vertices[180];
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// -x ; +x ; -y ; +y ; -z ; +z //
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void init_vertices() {
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vertices[0] = -0.5f; vertices[1] = -0.5f; vertices[2] = -0.5f; vertices[3] = 0.0; vertices[4] = 1.0;
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vertices[5] = -0.5f; vertices[6] = 0.5f; vertices[7] = -0.5f; vertices[8] = 0.0; vertices[9] = 0.0;
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vertices[10] = -0.5f; vertices[11] = 0.5f; vertices[12] = 0.5f; vertices[13] = 1.0; vertices[14] = 0.0;
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vertices[15] = -0.5f; vertices[16] = -0.5f; vertices[17] = -0.5f; vertices[18] = 0.0; vertices[19] = 1.0;
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vertices[20] = -0.5f; vertices[21] = 0.5f; vertices[22] = 0.5f; vertices[23] = 1.0; vertices[24] = 0.0;
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vertices[25] = -0.5f; vertices[26] = -0.5f; vertices[27] = 0.5f; vertices[28] = 1.0; vertices[29] = 1.0;
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vertices[30] = 0.5f; vertices[31] = -0.5f; vertices[32] = -0.5f; vertices[33] = 1.0; vertices[34] = 1.0;
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vertices[35] = 0.5f; vertices[36] = 0.5f; vertices[37] = 0.5f; vertices[38] = 0.0; vertices[39] = 0.0;
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vertices[40] = 0.5f; vertices[41] = 0.5f; vertices[42] = -0.5f; vertices[43] = 1.0; vertices[44] = 0.0;
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vertices[45] = 0.5f; vertices[46] = -0.5f; vertices[47] = -0.5f; vertices[48] = 1.0; vertices[49] = 1.0;
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vertices[50] = 0.5f; vertices[51] = -0.5f; vertices[52] = 0.5f; vertices[53] = 0.0; vertices[54] = 1.0;
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vertices[55] = 0.5f; vertices[56] = 0.5f; vertices[57] = 0.5f; vertices[58] = 0.0; vertices[59] = 0.0;
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vertices[60] = -0.5f; vertices[61] = -0.5f; vertices[62] = -0.5f; vertices[63] = 0.0; vertices[64] = 1.0;
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vertices[65] = 0.5f; vertices[66] = -0.5f; vertices[67] = 0.5f; vertices[68] = 1.0; vertices[69] = 0.0;
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vertices[70] = 0.5f; vertices[71] = -0.5f; vertices[72] = -0.5f; vertices[73] = 0.0; vertices[74] = 0.0;
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vertices[75] = -0.5f; vertices[76] = -0.5f; vertices[77] = -0.5f; vertices[78] = 0.0; vertices[79] = 1.0;
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vertices[80] = -0.5f; vertices[81] = -0.5f; vertices[82] = 0.5f; vertices[83] = 1.0; vertices[84] = 1.0;
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vertices[85] = 0.5f; vertices[86] = -0.5f; vertices[87] = 0.5f; vertices[88] = 1.0; vertices[89] = 0.0;
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vertices[90] = -0.5f; vertices[91] = 0.5f; vertices[92] = -0.5f; vertices[93] = 1.0; vertices[94] = 1.0;
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vertices[95] = 0.5f; vertices[96] = 0.5f; vertices[97] = -0.5f; vertices[98] = 1.0; vertices[99] = 0.0;
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vertices[100] = 0.5f; vertices[101] = 0.5f; vertices[102] = 0.5f; vertices[103] = 0.0; vertices[104] = 0.0;
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vertices[105] = -0.5f; vertices[106] = 0.5f; vertices[107] = -0.5f; vertices[108] = 1.0; vertices[109] = 1.0;
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vertices[110] = 0.5f; vertices[111] = 0.5f; vertices[112] = 0.5f; vertices[113] = 0.0; vertices[114] = 0.0;
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vertices[115] = -0.5f; vertices[116] = 0.5f; vertices[117] = 0.5f; vertices[118] = 0.0; vertices[119] = 1.0;
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vertices[120] = -0.5f; vertices[121] = -0.5f; vertices[122] = -0.5f; vertices[123] = 1.0; vertices[124] = 1.0;
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vertices[125] = 0.5f; vertices[126] = -0.5f; vertices[127] = -0.5f; vertices[128] = 0.0; vertices[129] = 1.0;
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vertices[130] = 0.5f; vertices[131] = 0.5f; vertices[132] = -0.5f; vertices[133] = 0.0; vertices[134] = 0.0;
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vertices[135] = -0.5f; vertices[136] = -0.5f; vertices[137] = -0.5f; vertices[138] = 1.0; vertices[139] = 1.0;
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vertices[140] = 0.5f; vertices[141] = 0.5f; vertices[142] = -0.5f; vertices[143] = 0.0; vertices[144] = 0.0;
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vertices[145] = -0.5f; vertices[146] = 0.5f; vertices[147] = -0.5f; vertices[148] = 1.0; vertices[149] = 0.0;
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vertices[150] = -0.5f; vertices[151] = -0.5f; vertices[152] = 0.5f; vertices[153] = 0.0; vertices[154] = 1.0;
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vertices[155] = 0.5f; vertices[156] = 0.5f; vertices[157] = 0.5f; vertices[158] = 1.0; vertices[159] = 0.0;
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vertices[160] = 0.5f; vertices[161] = -0.5f; vertices[162] = 0.5f; vertices[163] = 1.0; vertices[164] = 1.0;
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vertices[165] = -0.5f; vertices[166] = -0.5f; vertices[167] = 0.5f; vertices[168] = 0.0; vertices[169] = 1.0;
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vertices[170] = -0.5f; vertices[171] = 0.5f; vertices[172] = 0.5f; vertices[173] = 0.0; vertices[174] = 0.0;
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vertices[175] = 0.5f; vertices[176] = 0.5f; vertices[177] = 0.5f; vertices[178] = 1.0; vertices[179] = 0.0;
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}
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void gl_renderCube(cube_0* c, double offx, double offy, double offz) {
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glm_mat4_identity(model);
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glm_mat4_identity(scale);
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scale[0][0] = (float)(c->w);
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scale[1][1] = (float)(c->h);
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scale[2][2] = (float)(c->d);
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glm_translate(model, (vec3){(float)(c->x+c->w/2.0+offx), (float)(c->y+c->h/2.0+offy), (float)(c->z+c->d/2.0+offz)});
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glm_rotate(model, (float)(c->vt_angle), (vec3){1.0f, 0.0f, 0.0f});
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glm_rotate(model, (float)(c->hz_angle), (vec3){0.0f, 1.0f, 0.0f});
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glm_mat2_identity(texShift);
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texShift[0][0] = (float)(maxd(maxd(c->w, c->h), c->d)/mind(mind(c->w, c->h), c->d));
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texShift[1][1] = texShift[0][0];
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glUniformMatrix4fv(loc_scale, 1, GL_FALSE, (float*)scale);
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glUniformMatrix4fv(loc_model, 1, GL_FALSE, (float*)model);
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glUniformMatrix4fv(loc_view, 1, GL_FALSE, (float*)view);
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glUniformMatrix4fv(loc_proj, 1, GL_FALSE, (float*)projection);
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glUniform4f(loc_frag, c->red/255.0f, c->green/255.0f, c->blue/255.0f, 1.0f);
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glUniformMatrix2fv(loc_tex_tr, 1, GL_FALSE, (float*)texShift);
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glDrawArrays(GL_TRIANGLES, 0, 36);
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//glDrawElements(GL_TRIANGLES, 36, GL_UNSIGNED_INT, 0);
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triCount += 12;
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}
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double px, py, pz;
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double px2, py2, pz2;
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bool is_visible(cube_0* cb, double offx, double offy, double offz) {
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//return true;
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for(int d = 0; d < 8; d++) {
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project_to_cube(cb->x+cb->w*(d%2==0), cb->y+cb->h*((d/2)%2==0), cb->z+cb->d*((d/4)%2==0), &px, &py, &pz, cb);
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project_to_camera(px+offx, py+offy, pz+offz, &px2, &py2, &pz2);
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if(pz2 >= near) {
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return true;
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}
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}
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return false;
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}
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void gl_resetTexture() {
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glBindTexture(GL_TEXTURE_2D, textures[0]);
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}
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bool is_button_block_on(entity* ent) {
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return (
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(ent->entity_type != 11 && ent->entity_type != 12) ||
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(ent->entity_type == 11 && buttonSwitch[ent->metai1]) ||
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(ent->entity_type == 12 && xor(buttonSwitch[ent->metai1], ent->metai2))
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);
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}
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bool is_math_block_unsolved(entity* ent) {
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return (ent->entity_type != 13 || ent->metad1 == 0.0);
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}
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void gl_renderAll(room* rtd, double offx, double offy, double offz) {
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//printf("------------------------\n");
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if(rtd != NULL) {
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glActiveTexture(GL_TEXTURE0);
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glBindTexture(GL_TEXTURE_2D, textures[5]);
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for(int k = 0; k < rtd->map_size; k++) {
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if(is_visible(rtd->map[k], offx, offy, offz)) {
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gl_renderCube(rtd->map[k], offx, offy, offz);
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}
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}
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glBindTexture(GL_TEXTURE_2D, textures[6]);
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for(int k = 0; k < rtd->tps_size; k++) {
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if(is_visible(rtd->tps[k]->hitbox, offx, offy, offz)) {
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gl_renderCube(rtd->tps[k]->hitbox, offx, offy, offz);
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}
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}
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for(int k = 0; k < rtd->ent_len; k++) {
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if(is_visible(rtd->ents[k]->pos, offx, offy, offz)) {
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if(is_math_block_unsolved(rtd->ents[k]) && is_button_block_on(rtd->ents[k]) && (rtd->ents[k]->entity_type != 9 || rtd->ents[k]->metai1)) {
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glBindTexture(GL_TEXTURE_2D, textures[rtd->ents[k]->tex]);
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} else {
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glBindTexture(GL_TEXTURE_2D, textures[rtd->ents[k]->tex2]);
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}
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gl_renderCube(rtd->ents[k]->pos, offx, offy, offz);
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}
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}
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}
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//printf("+++++++++++++++\n");
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}
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void gl_renderNearbyChunks(int render_distance) {
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for(int w = -render_distance; w <= render_distance; w++) {
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for(int h = -render_distance; h <= render_distance; h++) {
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//printf("(%d %d -> %d)", w, h, hashtbl_find_opt(visited, player_chx+w, player_chy+h)->ent_len);
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gl_renderAll(hashtbl_find_opt(visited, player_chx+w, player_chy+h), (2.0*room_width)*w, 0.0, (2.0*room_depth)*h);
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}
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}
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//printf("\n\n");
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}
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vec3 dir0;
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vec3 direction;
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void gl_initRender(unsigned int shaderProgram, unsigned int fragmentShader, unsigned int VAO, unsigned int VBO) {
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dir0[0] = sinf((float)(rot_hz)) * cosf((float)(rot_vt));
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dir0[1] = -sinf((float)(rot_vt));
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dir0[2] = cosf((float)(rot_hz)) * cosf((float)(rot_vt));
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glm_vec3_normalize(dir0); // Normalize to unit length
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glm_vec3_add((vec3){(float)camx, (float)camy, (float)camz}, dir0, direction);
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glm_mat4_identity(view);
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glm_lookat((vec3){(float)camx, (float)camy, (float)camz}, direction, (vec3){0.0f, 1.0f, 0.0f}, view);
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glm_perspective(glm_rad((float)fov), 1500.0f / 1000.0f, 0.1f, 100.0f, projection);
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loc_scale = glGetUniformLocation(shaderProgram, "scale");
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loc_model = glGetUniformLocation(shaderProgram, "model");
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loc_view = glGetUniformLocation(shaderProgram, "view");
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loc_proj = glGetUniformLocation(shaderProgram, "projection");
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loc_tex_tr = glGetUniformLocation(fragmentShader, "translation");
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loc_frag = glGetUniformLocation(fragmentShader, "u_color");
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}
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void gl_drawData(unsigned int shaderProg) {
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gl_drawInteger(shaderProg, (int)camx + 2*room_width*player_chx, 0.95f, 0.9f, 0.05f, 255, 255, 255, 0.005, -1);
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gl_drawInteger(shaderProg, (int)camy, 0.95f, 0.75f, 0.05f, 255, 255, 255, 0.005, -1);
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gl_drawInteger(shaderProg, (int)camz + 2*room_depth*player_chy, 0.95f, 0.6f, 0.05f, 255, 255, 255, 0.005, -1);
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gl_drawInteger(shaderProg, (int)10.0*camvx, 0.95f, -0.6f, 0.05f, 255, 255, 255, 0.005, -1);
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gl_drawInteger(shaderProg, (int)10.0*camvy, 0.95f, -0.75f, 0.05f, 255, 255, 255, 0.005, -1);
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gl_drawInteger(shaderProg, (int)10.0*camvz, 0.95f, -0.9f, 0.05f, 255, 255, 255, 0.005, -1);
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gl_drawInteger(shaderProg, njumps, 0.0f, 0.80f, 0.04f, 255, 255, 128, 0.005f, 1);
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gl_printf(shaderProg, -0.95f, 0.9f, 0.04f, 0.004f, 255-player_hp/4, player_hp/4, 0, "HP %d", player_hp);
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gl_printf(shaderProg, -0.95f, 0.8f, 0.04f, 0.004f, 255, 255, 0, "coins %d", coins);
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//gl_drawInteger(shaderProg, player_hp, -0.95f, 0.9f, 0.05f, 255-player_hp/4, player_hp/4, 0, 0.005f, 1);
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}
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float fadeSideWidth = 0.08f;
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void gl_drawDamageFadeout(unsigned int shaderProg) {
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if(dmgCD > 0.0f) {
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gl_drawRectAlpha(shaderProg, -1.0f , -1.0f , 2.0f, fadeSideWidth, 255, 32, 32, (int)(dmgCD*510.0f));
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gl_drawRectAlpha(shaderProg, -1.0f , 1.0f-fadeSideWidth, 2.0f, fadeSideWidth, 255, 32, 32, (int)(dmgCD*510.0f));
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gl_drawRectAlpha(shaderProg, -1.0f , -1.0f+fadeSideWidth, fadeSideWidth, 2.0f*(1.0-fadeSideWidth), 255, 32, 32, (int)(dmgCD*510.0f));
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gl_drawRectAlpha(shaderProg, 1.0f-fadeSideWidth, -1.0f+fadeSideWidth, fadeSideWidth, 2.0f*(1.0-fadeSideWidth), 255, 32, 32, (int)(dmgCD*510.0f));
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}
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}
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float barWidth = 0.05f;
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float barInnerOffset = 0.01f;
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float barHeight = 1.0f;
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void gl_drawButtonTimers(unsigned int shaderProg) {
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double curx = -0.95f;
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for(int k = 0; k < 16; k++) {
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if(buttonSwitch[k] && buttonMaxT[k] > 0.0f) {
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gl_drawRect(shaderProg, curx, -barHeight/2.0f, barWidth, barHeight, 64, 64, 64);
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gl_drawRect(shaderProg,
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curx+barInnerOffset, -barHeight/2.0f+barInnerOffset,
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barWidth-2.0f*barInnerOffset, barHeight-2.0f*barInnerOffset,
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0, 0, 0);
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gl_drawRect(shaderProg,
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curx+barInnerOffset, -barHeight/2.0f+barInnerOffset,
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barWidth-2.0f*barInnerOffset, barHeight*(buttonTimes[k]/buttonMaxT[k])-2.0f*barInnerOffset,
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128, 128, 128);
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gl_drawInteger(shaderProg, k, curx+barWidth/2.0f, -barHeight/2.0f-barWidth/0.7f, barWidth/1.5f, 192, 192, 192, barWidth/12.0f, 0);
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curx += barWidth;
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}
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}
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} |