forked from kdx/jtmm2-old
109 lines
2.2 KiB
C
109 lines
2.2 KiB
C
#include <gint/display.h>
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#include <gint/keyboard.h>
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#include <gint/timer.h>
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#include <gint/clock.h>
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#include <gint/std/string.h>
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#include <stdbool.h>
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#include "conf.h"
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#include "main.h"
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#include "debug.h"
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#include "init.h"
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#include "vec.h"
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#include "player.h"
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#include "level.h"
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#include "camera.h"
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#include "input.h"
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int main(void)
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{
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init(); /* initialize gint */
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/* main game loop */
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play_level(0);
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/* return to menu */
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return 1;
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}
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int play_level(int level_id)
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{
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/* create player */
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Player player = {
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.pos = {16 * VEC_PRECISION, 16 * VEC_PRECISION},
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.hbox = {7 * VEC_PRECISION, 7 * VEC_PRECISION},
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.origin = {4 * VEC_PRECISION, 4 * VEC_PRECISION}
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};
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/* create level */
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Level level = {
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.width = 0,
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.height = 0
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};
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/* create camera */
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Camera camera = {
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.pos = {DWIDTH * VEC_PRECISION, DHEIGHT * VEC_PRECISION},
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.target = &player.pos,
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.speed = 0.05
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};
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/* create input manager */
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Input input;
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input.keys[K_LEFT] = KEY_LEFT;
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input.keys[K_RIGHT] = KEY_RIGHT;
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input.keys[K_UP] = KEY_UP;
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input.keys[K_DOWN] = KEY_DOWN;
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/* FPS control */
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volatile int has_ticked = 1;
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timer_setup(TIMER_ANY, 1000000/FPS, callback, &has_ticked);
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timer_start(0);
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while (camera.pos.x / VEC_PRECISION != player.pos.x / VEC_PRECISION ||
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camera.pos.y / VEC_PRECISION != player.pos.y / VEC_PRECISION)
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{
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/* FPS control */
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while(!has_ticked) sleep();
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has_ticked = 0;
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/* repeat step event so the UPS is constant regardless of FPS */
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for (int i = 0; i < UPS / FPS; ++i)
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{
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/* step event is where all the logic happens */
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step_event(&player, &level, &camera, &input);
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}
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/* draw event just draws stuff */
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draw_event(&player, &level, &camera, &input);
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}
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return 0;
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}
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int callback(volatile void *arg)
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{
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volatile int *has_ticked = arg;
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*has_ticked = 1;
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return 0;
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}
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void step_event(Player *player, Level *level, Camera *camera, Input *input)
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{
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//getkey();
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input_step(input);
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player_step(player, input);
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level_step(level);
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camera_step(camera);
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}
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void draw_event(Player *player, Level *level, Camera *camera, Input *input)
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{
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dclear(C_WHITE);
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level_draw(level, camera);
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player_draw(player, camera);
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#ifdef DEBUG
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camera_draw_debug(camera);
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//input_draw_debug(input);
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player_draw_debug(player);
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#endif
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dupdate();
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}
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