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#include "app.hpp"
#include "tile-defs.hpp"
#include <Magnum/Math/Vector3.h>
#include <Magnum/GL/DefaultFramebuffer.h>
#include <Magnum/GL/Renderer.h>
#include <Magnum/Trade/AbstractImporter.h>
namespace floormat {
void app::drawEvent() {
#if 0
GL::defaultFramebuffer.clear(GL::FramebufferClear::Color | GL::FramebufferClear::Depth);
GL::Renderer::setDepthMask(true);
GL::Renderer::setDepthFunction(GL::Renderer::DepthFunction::LessOrEqual);
GL::Renderer::enable(GL::Renderer::Feature::DepthTest);
#else
GL::defaultFramebuffer.clear(GL::FramebufferClear::Color);
GL::Renderer::setDepthFunction(GL::Renderer::DepthFunction::Never);
#endif
//update_window_scale(windowSize());
{
float dt = std::min(1.f/20, timeline.previousFrameDuration());
update(dt);
}
_shader.set_tint({1, 1, 1, 1});
draw_world();
draw_cursor_tile();
display_menu();
swapBuffers();
redraw();
timeline.nextFrame();
}
std::array<std::int16_t, 4> app::get_draw_bounds() const noexcept
{
std::int16_t minx = BASE_X, maxx = BASE_X, miny = BASE_Y, maxy = BASE_Y;
{
const auto fn = [&](std::int32_t x, std::int32_t y) {
const auto pos = pixel_to_tile({float(x + BASE_X), float(y + BASE_Y)}).chunk();
minx = std::min(minx, pos.x);
maxx = std::max(maxx, pos.x);
miny = std::min(miny, pos.y);
maxy = std::max(maxy, pos.y);
};
const auto sz = windowSize();
const auto x = sz[0]-1, y = sz[1]-1;
fn(0, 0);
fn(x, 0);
fn(0, y);
fn(x, y);
}
fflush(stdout);
return {minx, maxx, miny, maxy};
}
void app::draw_world()
{
auto [minx, maxx, miny, maxy] = get_draw_bounds();
const auto old_camera_offset = _shader.camera_offset();
_shader.set_tint({1, 1, 1, 1});
for (std::int16_t y = miny; y <= maxy; y++)
for (std::int16_t x = minx; x <= maxx; x++)
{
const auto offset = project({float(x + BASE_X)*TILE_MAX_DIM*TILE_SIZE[0],
float(y + BASE_Y)*TILE_MAX_DIM*TILE_SIZE[1],
0});
if (x == 0 && y == 0)
{
printf("0 0 --> %f %f\n", offset[0], offset[1]);
fflush(stdout);
}
_shader.set_camera_offset(offset + old_camera_offset);
auto c = _world[chunk_coords{x, y}];
_floor_mesh.draw(_shader, *c);
}
for (std::int16_t y = miny; y <= maxy; y++)
for (std::int16_t x = minx; x <= maxx; x++)
{
const auto offset = project({float(x + BASE_X)*TILE_MAX_DIM*TILE_SIZE[0],
float(y + BASE_Y)*TILE_MAX_DIM*TILE_SIZE[1],
0});
_shader.set_camera_offset(offset + old_camera_offset);
auto c = _world[chunk_coords{x, y}];
_wall_mesh.draw(_shader, *c);
}
_shader.set_camera_offset(old_camera_offset);
}
void app::draw_wireframe_quad(global_coords pos)
{
constexpr float LINE_WIDTH = 1;
if (const auto& [c, tile] = _world[pos]; !tile.ground_image)
return;
const auto pt = pos.to_signed();
constexpr auto X = TILE_SIZE[0], Y = TILE_SIZE[1];
const Vector3 center {X*pt[0], Y*pt[1], 0};
_shader.set_tint({1, 0, 0, 1});
_wireframe_quad.draw(_shader, {center, {TILE_SIZE[0], TILE_SIZE[1]}, LINE_WIDTH});
}
void app::draw_wireframe_box(local_coords pt)
{
constexpr float LINE_WIDTH = 1.5;
constexpr auto X = TILE_SIZE[0], Y = TILE_SIZE[1];
constexpr Vector3 size{TILE_SIZE[0], TILE_SIZE[1], TILE_SIZE[2]*1.5f};
const Vector3 center1{X*pt.x, Y*pt.y, 0};
_shader.set_tint({0, 1, 0, 1});
_wireframe_box.draw(_shader, {center1, size, LINE_WIDTH});
}
} // namespace floormat
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