#include "gameScreen.h"
#include "game.h"
#include "world.h"
#include "bullets.h"
#include <raylib.h>

void drawCrossHair(float size, float thick, Color color) {
	Vector3 center = (Vector3){GetScreenWidth() / 2.0, GetScreenHeight() / 2.0};

	// Left to right.
	DrawLineEx(
		(Vector2){center.x - size, center.y},
		(Vector2){center.x + size, center.y},
		thick,
		color
	);

	// Top to bottom.
	DrawLineEx(
		(Vector2){center.x, center.y - size},
		(Vector2){center.x, center.y + size},
		thick,
		color
	);
}

void updateGameScreen(Game * game) {
	ClearBackground(BLACK);

	// Draw cross hair.
	drawCrossHair(10.0, 2.0, BLUE);

	// Update world.
	updateWorld(&game->world, game);

	// Camera.
	updatePlayerCamera(&game->playerCamera, game);

	// Draw.
	BeginMode3D(game->playerCamera);

	DrawGrid(50, 25.0);

	// Draw world.
	drawWorld(&game->world, game);

	EndMode3D();
}

void openGameScreen(Game * game) {
	game->screenId = SCREEN_GAME;

	if (game->settings.lockMouse)
		DisableCursor();
}

void closeGameScreen(Game * game) {
	if (game->settings.lockMouse)
		EnableCursor();
}