PongECS/world.c at main · travrei/PongECS · GitHub

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#include "world.h"
#include "components.h"
#include "consts.h"
#include "raylib.h"

int CreateEntity(World *world) {
  for (int i = 0; i < MAX_ENTITIES; ++i) {
    if (world->mask[i] == MNONE) {
      return i;
    }
  }
  return -1;
}

void CreatePaddle(World *world, float x_pos, KeyboardKey Up, KeyboardKey Down,
                  int gamepad, GamepadButton GPUp, GamepadButton GPDown) {
  int entity_id = CreateEntity(world);
  if (entity_id == -1) {
    return;
  }

  world->mask[entity_id] =
      MTRANSFORM | MVELOCITY | MPLAYERIMP | MPADDLE | MCOLLIDER | MRECT;
  world->transform[entity_id] =
      (CTransform){.position = {x_pos, GetScreenHeight() / 2.0f},
                   .size = {PADLE_WIDTH, PADDLE_HEIGHT}};
  world->velocity[entity_id] = (CVelocity){0.0f, 0.0f};
  world->rects[entity_id] = (CRect){(Rectangle){
      world->transform[entity_id].position.x,
      world->transform[entity_id].position.y,
      world->transform[entity_id].size.x,
      world->transform[entity_id].size.y,
  }};
  world->p_input[entity_id] = (CPlayerInput){gamepad, Up, Down, GPUp, GPDown};
}

void CreateWall(World *world, float y_pos) {
  int entity_id = CreateEntity(world);
  if (entity_id == -1) {
    return;
  }

  world->mask[entity_id] = MTRANSFORM | MWALL | MCOLLIDER | MRECT;

  world->transform[entity_id] = (CTransform){
      .position = {0, y_pos}, .size = {GetScreenWidth(), WALL_WIDTH}};
  world->rects[entity_id] = (CRect){(Rectangle){
      world->transform[entity_id].position.x,
      world->transform[entity_id].position.y,
      world->transform[entity_id].size.x,
      world->transform[entity_id].size.y,
  }};
}

void CreateBall(World *world) {
  int entity_id = CreateEntity(world);
  if (entity_id == -1) {
    return;
  }

  world->mask[entity_id] = MTRANSFORM | MVELOCITY | MCOLLIDER | MBALL;
  world->transform[entity_id] = (CTransform){
      .position = {HALF_SCREEN_WIDTH, HALF_SCREEN_HEIGHT}, .size = {10, 10}};
  world->velocity[entity_id] = (CVelocity){.speed = {0, 0}};
}