#import "Camera.h"
#import "properties.h"

@implementation GameCamera
@synthesize camera;
@synthesize mode;

-(id) init {
    if ((self = [super init])) {
        camera.position = (Vector3){0.0f, 2.0f, 0.0f};
        camera.target = (Vector3){0.0f, 0.0f, 1.0f};
        camera.up = (Vector3){0.0f, 1.0f, 0.0f};
        camera.fovy = 90.0f;
        camera.projection = CAMERA_PERSPECTIVE;
        mode = CAMERA_CUSTOM;

        crosshair = (Vector2){default_properties.width/2, default_properties.height/2};
        crosshairColor = WHITE;
        crosshairSize = 2.0f;
    }

    return self;
}

-(void) update {
    Vector2 mouseDelta = GetMouseDelta();

    CameraYaw(&camera, -mouseDelta.x * 0.008, false);
    CameraPitch(&camera, -mouseDelta.y * 0.008, true, false, false);

    camera.position = [attachedPlayer pos];
}

-(void) attach: (Player *) player {
    attachedPlayer = player;
    [attachedPlayer setAttachedCamera: self];
}

-(void) showPos {
    char buffer[50];
    sprintf(buffer, "pos: (%.02f, %.02f, %.02f)", camera.position.x, camera.position.y, camera.position.z);
    DrawText(buffer, 0, 0, 20, BLACK);
}

-(void) showTarget {
    char buffer[50];
    sprintf(buffer, "tgt: (%.02f, %.02f, %.02f)", camera.target.x, camera.target.y, camera.target.z);
    DrawText(buffer, 0, 30, 20, BLACK);
}

-(void) drawCrosshair {
    DrawCircleV(crosshair, crosshairSize, crosshairColor);
}

-(void) drawWeapon {
    if (attachedPlayer != nil) {
        Texture2D texture = [attachedPlayer weapon];
        DrawTexture(texture, 0.0f, 0.0f, WHITE);
    }
}

-(bool) raycast {
    BoundingBox bbox = {(Vector3){-1.0f, -1.0f, -1.0f}, (Vector3){2.0f, 2.0f, 2.0f}};
    
    //i called them both raycast to maximize confusion
    if ( ObjectiveCBugFixRaycast(camera, bbox).hit ) {
        crosshairColor = RED;
    } else {
        crosshairColor = WHITE;
    }

    #define DEBUG

    #ifdef DEBUG
    BeginMode3D(camera);
    DrawBoundingBox(bbox, BLUE);
    #endif

    EndMode3D();
    return ObjectiveCBugFixRaycast(camera, bbox).hit;
}

-(Camera3D *) addressOfCamera {
    return &camera;
}

@end