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-rw-r--r--src/main.cpp510
1 files changed, 0 insertions, 510 deletions
diff --git a/src/main.cpp b/src/main.cpp
deleted file mode 100644
index 840d2f9..0000000
--- a/src/main.cpp
+++ /dev/null
@@ -1,510 +0,0 @@
-#include "config.h"
-#include <iostream>
-
-#ifdef ENABLE_NCURSES
-#include <ncurses.h>
-#endif
-
-#ifdef __WINDOWS__
-#include <windows.h>
-#endif
-
-#include <cmath>
-#include <cstdint>
-#include <vector>
-#include <SDL.h>
-#include "chfb.h"
-#include "pixfb.h"
-#include "obj3d.h"
-#include "math_vector.h"
-#include "vertex.h"
-#include "vertex_data.h"
-#include "tri_vertex.h"
-
-#define MKEY_Z 122
-#define MKEY_Q 113
-#define MKEY_S 115
-#define MKEY_D 100
-
-#define MKEY_ESC 27
-
-#define FPS 60
-
-#define PI 3.1415926535f
-
-#ifdef ENABLE_NCURSES
-void main_term() {
- // init
- setlocale(LC_ALL, "");
- initscr();
- cbreak();
- noecho();
- intrflush(stdscr, FALSE);
- keypad(stdscr, TRUE);
- set_escdelay(0);
- curs_set(0);
-
- int w, h;
- getmaxyx(stdscr, h, w);
- CharacterFrameBuffer cfb{static_cast<unsigned int>(w), static_cast<unsigned int>(h)};
-
- MathVector3 a{0.f, 0.f, 0.f};
- float dist = 4.f;
- while (1) {
- //timeout(1000 / FPS);
- timeout(10);
- int c = getch();
-
- if (c == MKEY_ESC) break;
- switch (c) {
- case KEY_UP:
- // a.x += 0.1f;
- dist += .1f;
- break;
- case KEY_DOWN:
- // a.x -= 0.1f;
- dist -= .1f;
- break;
- case KEY_LEFT:
- // a.y += 0.1f;
- break;
- case KEY_RIGHT:
- // a.y -= 0.1f;
- break;
- case MKEY_Q:
- // a.z += 0.1f;
- break;
- case MKEY_D:
- // a.z -= 0.1f;
- break;
- }
-
- a.x += .0050f;
- a.y += .0065f;
- a.z += .0080f;
-
- getmaxyx(stdscr, h, w);
- cfb.resize(static_cast<unsigned int>(w), static_cast<unsigned int>(h));
-
- float rad = 5.f;
- MathVector3 ca{std::cos(a.x), std::cos(a.y), std::cos(a.z)};
- MathVector3 sa{std::sin(a.x), std::sin(a.y), std::sin(a.z)};
-
- std::array<MathVector3, 3> rot_x = {{
- { 1.f, 0.f, 0.f },
- { 0.f, ca.x, sa.x },
- { 0.f, -sa.x, ca.x },
- }};
- std::array<MathVector3, 3> rot_y = {{
- { ca.y, 0.f, -sa.y },
- { 0.f, 1.f, 0.f },
- { sa.y, 0.f, ca.y },
- }};
- std::array<MathVector3, 3> rot_z = {{
- { ca.z, sa.z, 0.f },
- { -sa.z, ca.z, 0.f },
- { 0.f, 0.f, 1.f },
- }};
-
- auto [e_x, e_y, e_z] = rot_x;
- e_x = e_x.x * rot_y[0] + e_x.y * rot_y[1] + e_x.z * rot_y[2];
- e_y = e_y.x * rot_y[0] + e_y.y * rot_y[1] + e_y.z * rot_y[2];
- e_z = e_z.x * rot_y[0] + e_z.y * rot_y[1] + e_z.z * rot_y[2];
- e_x = e_x.x * rot_z[0] + e_x.y * rot_z[1] + e_x.z * rot_z[2];
- e_y = e_y.x * rot_z[0] + e_y.y * rot_z[1] + e_y.z * rot_z[2];
- e_z = e_z.x * rot_z[0] + e_z.y * rot_z[1] + e_z.z * rot_z[2];
-
- std::array<Object3D, 2> objs{{
- {
- {
- {
- rad * (-e_x + -e_y + -e_z - .5f * (e_x + e_y + e_z)) - dist * rad * MathVector3{0.f, 0.f, 1.f},
- {}
- },
- {
- rad * (+e_x + -e_y + -e_z - .5f * (e_x + e_y + e_z)) - dist * rad * MathVector3{0.f, 0.f, 1.f},
- {}
- },
- {
- rad * (-e_x + +e_y + -e_z - .5f * (e_x + e_y + e_z)) - dist * rad * MathVector3{0.f, 0.f, 1.f},
- {}
- },
- {
- rad * (+e_x + +e_y + -e_z - .5f * (e_x + e_y + e_z)) - dist * rad * MathVector3{0.f, 0.f, 1.f},
- {}
- },
- {
- rad * (-e_x + -e_y + +e_z - .5f * (e_x + e_y + e_z)) - dist * rad * MathVector3{0.f, 0.f, 1.f},
- {}
- },
- {
- rad * (+e_x + -e_y + +e_z - .5f * (e_x + e_y + e_z)) - dist * rad * MathVector3{0.f, 0.f, 1.f},
- {}
- },
- {
- rad * (-e_x + +e_y + +e_z - .5f * (e_x + e_y + e_z)) - dist * rad * MathVector3{0.f, 0.f, 1.f},
- {}
- },
- {
- rad * (+e_x + +e_y + +e_z - .5f * (e_x + e_y + e_z)) - dist * rad * MathVector3{0.f, 0.f, 1.f},
- {}
- }
- },
- {
- // face 1
- { 0, 2, 3 },
- { 0, 3, 1 },
-
- // face 2
- { 0, 4, 6 },
- { 0, 6, 2 },
-
- // face 3
- { 0, 1, 5 },
- { 0, 5, 4 },
-
- // face 4
- { 7, 6, 4 },
- { 7, 4, 5 },
-
- // face 5
- { 7, 3, 2 },
- { 7, 2, 6 },
-
- // face 6
- { 7, 5, 1 },
- { 7, 1, 3 },
- }
- },
- {
- {
- {
- rad * (-e_x + -e_y + -e_z + .5f * (e_x + e_y + e_z)) - dist * rad * MathVector3{0.f, 0.f, 1.f},
- {}
- },
- {
- rad * (+e_x + -e_y + -e_z + .5f * (e_x + e_y + e_z)) - dist * rad * MathVector3{0.f, 0.f, 1.f},
- {}
- },
- {
- rad * (-e_x + +e_y + -e_z + .5f * (e_x + e_y + e_z)) - dist * rad * MathVector3{0.f, 0.f, 1.f},
- {}
- },
- {
- rad * (+e_x + +e_y + -e_z + .5f * (e_x + e_y + e_z)) - dist * rad * MathVector3{0.f, 0.f, 1.f},
- {}
- },
- {
- rad * (-e_x + -e_y + +e_z + .5f * (e_x + e_y + e_z)) - dist * rad * MathVector3{0.f, 0.f, 1.f},
- {}
- },
- {
- rad * (+e_x + -e_y + +e_z + .5f * (e_x + e_y + e_z)) - dist * rad * MathVector3{0.f, 0.f, 1.f},
- {}
- },
- {
- rad * (-e_x + +e_y + +e_z + .5f * (e_x + e_y + e_z)) - dist * rad * MathVector3{0.f, 0.f, 1.f},
- {}
- },
- {
- rad * (+e_x + +e_y + +e_z + .5f * (e_x + e_y + e_z)) - dist * rad * MathVector3{0.f, 0.f, 1.f},
- {}
- }
- },
- {
- // face 1
- { 0, 2, 3 },
- { 0, 3, 1 },
-
- // face 2
- { 0, 4, 6 },
- { 0, 6, 2 },
-
- // face 3
- { 0, 1, 5 },
- { 0, 5, 4 },
-
- // face 4
- { 7, 6, 4 },
- { 7, 4, 5 },
-
- // face 5
- { 7, 3, 2 },
- { 7, 2, 6 },
-
- // face 6
- { 7, 5, 1 },
- { 7, 1, 3 },
- }
- }
- }};
- cfb.clear();
- float min_z = 2.f, max_z = 50.f;
- float fac_for_aspect_ratio = 2.f * static_cast<float>(cfb.height()) / static_cast<float>(cfb.width());
- for (auto obj : objs) {
- for (auto triangle : obj) {
- TriangleVertex4 t{triangle};
-
- // should be multiplied by a matrix, temporary replacement
- t.vertex1.point.x *= fac_for_aspect_ratio;
- t.vertex1.point.y = -t.vertex1.point.y;
- t.vertex1.point.w = -t.vertex1.point.z;
- t.vertex1.point.z = 2.f * (-t.vertex1.point.z - min_z) / (max_z - min_z) - 1.f;
- t.vertex2.point.x *= fac_for_aspect_ratio;
- t.vertex2.point.y = -t.vertex2.point.y;
- t.vertex2.point.w = -t.vertex2.point.z;
- t.vertex2.point.z = 2.f * (-t.vertex2.point.z - min_z) / (max_z - min_z) - 1.f;
- t.vertex3.point.x *= fac_for_aspect_ratio;
- t.vertex3.point.y = -t.vertex3.point.y;
- t.vertex3.point.w = -t.vertex3.point.z;
- t.vertex3.point.z = 2.f * (-t.vertex3.point.z - min_z) / (max_z - min_z) - 1.f;
-
- cfb.draw_triangle(t);
- }
- }
- mvaddnstr(0, 0, cfb.chars(), cfb.width() * cfb.height());
- }
-
- // terminate
- endwin();
-}
-#endif
-
-#define SCREEN_WIDTH 640
-#define SCREEN_HEIGHT 480
-
-void main_SDL() {
- SDL_Window* window = NULL;
- SDL_Renderer* renderer = NULL;
- SDL_Texture* texture = NULL;
-
- if (SDL_Init(SDL_INIT_VIDEO) < 0) {
- fprintf(stderr, "Error: SDL_Init error: %s\n", SDL_GetError());
- return;
- }
- window = SDL_CreateWindow("Engine", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, SCREEN_WIDTH, SCREEN_HEIGHT, SDL_WINDOW_SHOWN);
- if (window == NULL) {
- fprintf(stderr, "Error: SDL_CreateWindow error: %s\n", SDL_GetError());
- return;
- }
- renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);
- texture = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_RGBA8888, SDL_TEXTUREACCESS_STREAMING, SCREEN_WIDTH, SCREEN_HEIGHT);
- PixelFrameBuffer pfb{SCREEN_WIDTH, SCREEN_HEIGHT};
-
- MathVector3 a{0.f, 0.f, 0.f};
- float dist = 4.f;
- SDL_Event e;
- bool quit = false;
- while (!quit) {
- a.x += .0050f;
- a.y += .0065f;
- a.z += .0080f;
-
- float rad = 5.f;
- MathVector3 ca{std::cos(a.x), std::cos(a.y), std::cos(a.z)};
- MathVector3 sa{std::sin(a.x), std::sin(a.y), std::sin(a.z)};
-
- std::array<MathVector3, 3> rot_x = {{
- { 1.f, 0.f, 0.f },
- { 0.f, ca.x, sa.x },
- { 0.f, -sa.x, ca.x },
- }};
- std::array<MathVector3, 3> rot_y = {{
- { ca.y, 0.f, -sa.y },
- { 0.f, 1.f, 0.f },
- { sa.y, 0.f, ca.y },
- }};
- std::array<MathVector3, 3> rot_z = {{
- { ca.z, sa.z, 0.f },
- { -sa.z, ca.z, 0.f },
- { 0.f, 0.f, 1.f },
- }};
-
- auto [e_x, e_y, e_z] = rot_x;
- e_x = e_x.x * rot_y[0] + e_x.y * rot_y[1] + e_x.z * rot_y[2];
- e_y = e_y.x * rot_y[0] + e_y.y * rot_y[1] + e_y.z * rot_y[2];
- e_z = e_z.x * rot_y[0] + e_z.y * rot_y[1] + e_z.z * rot_y[2];
- e_x = e_x.x * rot_z[0] + e_x.y * rot_z[1] + e_x.z * rot_z[2];
- e_y = e_y.x * rot_z[0] + e_y.y * rot_z[1] + e_y.z * rot_z[2];
- e_z = e_z.x * rot_z[0] + e_z.y * rot_z[1] + e_z.z * rot_z[2];
-
- std::array<Object3D, 2> objs{{
- {
- {
- {
- rad * (-e_x + -e_y + -e_z - .5f * (e_x + e_y + e_z)) - dist * rad * MathVector3{0.f, 0.f, 1.f},
- {}
- },
- {
- rad * (+e_x + -e_y + -e_z - .5f * (e_x + e_y + e_z)) - dist * rad * MathVector3{0.f, 0.f, 1.f},
- {}
- },
- {
- rad * (-e_x + +e_y + -e_z - .5f * (e_x + e_y + e_z)) - dist * rad * MathVector3{0.f, 0.f, 1.f},
- {}
- },
- {
- rad * (+e_x + +e_y + -e_z - .5f * (e_x + e_y + e_z)) - dist * rad * MathVector3{0.f, 0.f, 1.f},
- {}
- },
- {
- rad * (-e_x + -e_y + +e_z - .5f * (e_x + e_y + e_z)) - dist * rad * MathVector3{0.f, 0.f, 1.f},
- {}
- },
- {
- rad * (+e_x + -e_y + +e_z - .5f * (e_x + e_y + e_z)) - dist * rad * MathVector3{0.f, 0.f, 1.f},
- {}
- },
- {
- rad * (-e_x + +e_y + +e_z - .5f * (e_x + e_y + e_z)) - dist * rad * MathVector3{0.f, 0.f, 1.f},
- {}
- },
- {
- rad * (+e_x + +e_y + +e_z - .5f * (e_x + e_y + e_z)) - dist * rad * MathVector3{0.f, 0.f, 1.f},
- {}
- }
- },
- {
- // face 1
- { 0, 2, 3 },
- { 0, 3, 1 },
-
- // face 2
- { 0, 4, 6 },
- { 0, 6, 2 },
-
- // face 3
- { 0, 1, 5 },
- { 0, 5, 4 },
-
- // face 4
- { 7, 6, 4 },
- { 7, 4, 5 },
-
- // face 5
- { 7, 3, 2 },
- { 7, 2, 6 },
-
- // face 6
- { 7, 5, 1 },
- { 7, 1, 3 },
- }
- },
- {
- {
- {
- rad * (-e_x + -e_y + -e_z + .5f * (e_x + e_y + e_z)) - dist * rad * MathVector3{0.f, 0.f, 1.f},
- {}
- },
- {
- rad * (+e_x + -e_y + -e_z + .5f * (e_x + e_y + e_z)) - dist * rad * MathVector3{0.f, 0.f, 1.f},
- {}
- },
- {
- rad * (-e_x + +e_y + -e_z + .5f * (e_x + e_y + e_z)) - dist * rad * MathVector3{0.f, 0.f, 1.f},
- {}
- },
- {
- rad * (+e_x + +e_y + -e_z + .5f * (e_x + e_y + e_z)) - dist * rad * MathVector3{0.f, 0.f, 1.f},
- {}
- },
- {
- rad * (-e_x + -e_y + +e_z + .5f * (e_x + e_y + e_z)) - dist * rad * MathVector3{0.f, 0.f, 1.f},
- {}
- },
- {
- rad * (+e_x + -e_y + +e_z + .5f * (e_x + e_y + e_z)) - dist * rad * MathVector3{0.f, 0.f, 1.f},
- {}
- },
- {
- rad * (-e_x + +e_y + +e_z + .5f * (e_x + e_y + e_z)) - dist * rad * MathVector3{0.f, 0.f, 1.f},
- {}
- },
- {
- rad * (+e_x + +e_y + +e_z + .5f * (e_x + e_y + e_z)) - dist * rad * MathVector3{0.f, 0.f, 1.f},
- {}
- }
- },
- {
- // face 1
- { 0, 2, 3 },
- { 0, 3, 1 },
-
- // face 2
- { 0, 4, 6 },
- { 0, 6, 2 },
-
- // face 3
- { 0, 1, 5 },
- { 0, 5, 4 },
-
- // face 4
- { 7, 6, 4 },
- { 7, 4, 5 },
-
- // face 5
- { 7, 3, 2 },
- { 7, 2, 6 },
-
- // face 6
- { 7, 5, 1 },
- { 7, 1, 3 },
- }
- }
- }};
- pfb.clear();
- float min_z = 2.f, max_z = 50.f;
- float fac_for_aspect_ratio = 2.f * static_cast<float>(pfb.height()) / static_cast<float>(pfb.width());
- for (auto obj : objs) {
- for (auto triangle : obj) {
- TriangleVertex4 t{triangle};
-
- // should be multiplied by a matrix, temporary replacement
- t.vertex1.point.x *= fac_for_aspect_ratio;
- t.vertex1.point.y = -t.vertex1.point.y;
- t.vertex1.point.w = -t.vertex1.point.z;
- t.vertex1.point.z = 2.f * (-t.vertex1.point.z - min_z) / (max_z - min_z) - 1.f;
- t.vertex2.point.x *= fac_for_aspect_ratio;
- t.vertex2.point.y = -t.vertex2.point.y;
- t.vertex2.point.w = -t.vertex2.point.z;
- t.vertex2.point.z = 2.f * (-t.vertex2.point.z - min_z) / (max_z - min_z) - 1.f;
- t.vertex3.point.x *= fac_for_aspect_ratio;
- t.vertex3.point.y = -t.vertex3.point.y;
- t.vertex3.point.w = -t.vertex3.point.z;
- t.vertex3.point.z = 2.f * (-t.vertex3.point.z - min_z) / (max_z - min_z) - 1.f;
-
- pfb.draw_triangle(t);
- }
- }
- SDL_UpdateTexture(texture, NULL, pfb.pixels(), SCREEN_WIDTH * 4);
- SDL_RenderClear(renderer);
- SDL_RenderCopy(renderer, texture, NULL, NULL);
- SDL_RenderPresent(renderer);
- SDL_UpdateWindowSurface(window);
- while (SDL_WaitEventTimeout(&e, 10)) {
- if (e.type == SDL_QUIT) {
- quit = true;
- }
- }
- }
- SDL_DestroyTexture(texture);
- SDL_DestroyRenderer(renderer);
- SDL_DestroyWindow(window);
- SDL_Quit();
-}
-
-#ifdef __WINDOWS__
-int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PWSTR pCmdLine, int nCmdShow) {
- (void) hInstance;
- (void) hPrevInstance;
- (void) pCmdLine;
- (void) nCmdShow;
-#else
-int main(int argc, char *argv[]) {
- (void) argc;
- (void) argv;
-#endif
- // main_term();
- main_SDL();
- return EXIT_SUCCESS;
-}
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