#include "include/render.h"
#include "include/gen.h"
#include "include/geom.h"
#include "include/util.h"

#include <raylib.h>

Vector2 PointToVector2(Pt p) {
    Vector2 v;
    v.x = (float)(p.x * 100) + 50.;
    v.y = (float)(p.y * 100) + 50.;
    return v;
}

Vector2 PointpToVector2(Pt* p) {
    Vector2 v;
    v.x = (float)(p->x * 100) + 50;
    v.y = (float)(p->y * 100) + 50;
    return v;
}

void draw_tri(Tri* tri) {
    DrawTriangleLines(
        PointToVector2(tri->a), PointToVector2(tri->b), PointToVector2(tri->c),
        RED
    );
}

void draw_tri_inside(Tri* tri, Color col) {
    int maxx = MAX3(tri->a.x, tri->b.x, tri->c.x);
    int maxy = MAX3(tri->a.y, tri->b.y, tri->c.y);
    int minx = MIN3(tri->a.x, tri->b.x, tri->c.x);
    int miny = MIN3(tri->a.y, tri->b.y, tri->c.y);
    for (int x = minx; x <= maxx; x++) {
        for (int y = miny; y <= maxy; y++) {
            if (tri_within((Pt){x, y}, tri)) {
                // DrawCircleV(PointToVector2((Pt){x, y}), 4.f, col);
                DrawLineV(
                    PointToVector2((Pt){x, y}), PointToVector2(tri_center(tri)),
                    col
                );
            }
        }
    }
}

void render() {
    for (int x = 0; x < WORLD_SZ; x++) {
        for (int y = 0; y < WORLD_SZ; y++) {
            Vector2 v = PointToVector2((Pt){x, y});
            DrawCircleV(v, 4.f, WHITE);
            DrawLineV(
                v,
                (Vector2){v.x + asth[x][y].x * WORLD_SZ,
                          v.y + asth[x][y].y * WORLD_SZ},
                WHITE
            );
        }
    }
    for (int i = 0; i < NPLATES; i++) {
        Plate plate = lith[i];
        draw_tri(plate.tris);
        draw_tri_inside(plate.tris, plate.col);
    }
}