1 files changed, 105 insertions, 78 deletions

diff --git a/src/crepe/facade/SDLContext.cpp b/src/crepe/facade/SDLContext.cpp
index ad9f1f0..20bb030 100644
--- a/src/crepe/facade/SDLContext.cpp
+++ b/src/crepe/facade/SDLContext.cpp
@@ -2,6 +2,7 @@
 #include <SDL2/SDL_blendmode.h>
 #include <SDL2/SDL_image.h>
 #include <SDL2/SDL_keycode.h>
+#include <SDL2/SDL_pixels.h>
 #include <SDL2/SDL_rect.h>
 #include <SDL2/SDL_render.h>
 #include <SDL2/SDL_surface.h>
@@ -11,32 +12,25 @@
 #include <cstddef>
 #include <cstdint>
 #include <functional>
-#include <iostream>
 #include <memory>
 #include <stdexcept>
 
 #include "../api/Camera.h"
+#include "../api/Color.h"
 #include "../api/Config.h"
 #include "../api/Sprite.h"
-#include "../api/Texture.h"
-#include "../manager/EventManager.h"
 #include "../util/Log.h"
+#include "manager/Mediator.h"
 
 #include "SDLContext.h"
-#include "api/Color.h"
+#include "Texture.h"
 #include "types.h"
 
 using namespace crepe;
 using namespace std;
 
-SDLContext & SDLContext::get_instance() {
-	static SDLContext instance;
-	return instance;
-}
-
-SDLContext::SDLContext() {
+SDLContext::SDLContext(Mediator & mediator) {
 	dbg_trace();
-
 	if (SDL_Init(SDL_INIT_VIDEO) != 0) {
 		throw runtime_error(format("SDLContext: SDL_Init error: {}", SDL_GetError()));
 	}
@@ -64,6 +58,8 @@ SDLContext::SDLContext() {
 	if (!(IMG_Init(img_flags) & img_flags)) {
 		throw runtime_error("SDLContext: SDL_image could not initialize!");
 	}
+
+	mediator.sdl_context = *this;
 }
 
 SDLContext::~SDLContext() {
@@ -215,54 +211,76 @@ MouseButton SDLContext::sdl_to_mousebutton(Uint8 sdl_button) {
 	return MOUSE_BUTTON_LOOKUP_TABLE[sdl_button];
 }
 
-void SDLContext::clear_screen() {
+void SDLContext::clear_screen() { SDL_RenderClear(this->game_renderer.get()); }
+void SDLContext::present_screen() {
 	SDL_SetRenderDrawColor(this->game_renderer.get(), 0, 0, 0, 255);
-	SDL_RenderClear(this->game_renderer.get());
-}
-void SDLContext::present_screen() { SDL_RenderPresent(this->game_renderer.get()); }
-
-SDL_Rect SDLContext::get_src_rect(const Sprite & sprite) const {
-	return SDL_Rect{
-		.x = sprite.mask.x,
-		.y = sprite.mask.y,
-		.w = sprite.mask.w,
-		.h = sprite.mask.h,
-	};
+	SDL_RenderFillRectF(this->game_renderer.get(), &black_bars[0]);
+	SDL_RenderFillRectF(this->game_renderer.get(), &black_bars[1]);
+	SDL_RenderPresent(this->game_renderer.get());
 }
-SDL_Rect SDLContext::get_dst_rect(const Sprite & sprite, const vec2 & pos, const Camera & cam,
-								  const vec2 & cam_pos, const double & img_scale) const {
 
-	int width = sprite.height * sprite.aspect_ratio;
-	int height = sprite.height;
+SDL_FRect SDLContext::get_dst_rect(const DestinationRectangleData & ctx) const {
 
-	width *= img_scale * cam.zoom;
-	height *= img_scale * cam.zoom;
+	const Sprite::Data & data = ctx.sprite.data;
 
-	return SDL_Rect{
-		.x = static_cast<int>((pos.x - cam_pos.x + (cam.viewport_size.x / 2) - width / 2)),
-		.y = static_cast<int>((pos.y - cam_pos.y + (cam.viewport_size.y / 2) - height / 2)),
-		.w = width,
-		.h = height,
+	float aspect_ratio
+		= (ctx.sprite.aspect_ratio == 0) ? ctx.texture.get_ratio() : ctx.sprite.aspect_ratio;
+
+	vec2 size = data.size;
+	if (data.size.x == 0 && data.size.y != 0) {
+		size.x = data.size.y * aspect_ratio;
+	}
+	if (data.size.y == 0 && data.size.x != 0) {
+		size.y = data.size.x / aspect_ratio;
+	}
+	size *= cam_aux_data.render_scale * ctx.img_scale * data.scale_offset;
+
+	vec2 screen_pos = (ctx.pos + data.position_offset - cam_aux_data.cam_pos
+					   + (cam_aux_data.zoomed_viewport) / 2)
+						  * cam_aux_data.render_scale
+					  - size / 2 + cam_aux_data.bar_size;
+
+	return SDL_FRect{
+		.x = screen_pos.x,
+		.y = screen_pos.y,
+		.w = size.x,
+		.h = size.y,
 	};
 }
 
 void SDLContext::draw(const RenderContext & ctx) {
-
+	const Sprite::Data & data = ctx.sprite.data;
 	SDL_RendererFlip render_flip
-		= (SDL_RendererFlip) ((SDL_FLIP_HORIZONTAL * ctx.sprite.flip.flip_x)
-							  | (SDL_FLIP_VERTICAL * ctx.sprite.flip.flip_y));
+		= (SDL_RendererFlip) ((SDL_FLIP_HORIZONTAL * data.flip.flip_x)
+							  | (SDL_FLIP_VERTICAL * data.flip.flip_y));
+
+	SDL_Rect srcrect;
+	SDL_Rect * srcrect_ptr = NULL;
+	if (ctx.sprite.mask.w != 0 || ctx.sprite.mask.h != 0) {
+		srcrect.w = ctx.sprite.mask.w;
+		srcrect.h = ctx.sprite.mask.h;
+		srcrect.x = ctx.sprite.mask.x;
+		srcrect.y = ctx.sprite.mask.y;
+		srcrect_ptr = &srcrect;
+	}
 
-	SDL_Rect srcrect = this->get_src_rect(ctx.sprite);
-	SDL_Rect dstrect
-		= this->get_dst_rect(ctx.sprite, ctx.pos, ctx.cam, ctx.cam_pos, ctx.scale);
+	SDL_FRect dstrect = this->get_dst_rect(SDLContext::DestinationRectangleData{
+		.sprite = ctx.sprite,
+		.texture = ctx.texture,
+		.pos = ctx.pos,
+		.img_scale = ctx.scale,
+	});
 
-	this->set_color_texture(ctx.sprite.sprite_image, ctx.sprite.color);
-	SDL_RenderCopyEx(this->game_renderer.get(), ctx.sprite.sprite_image.texture.get(),
-					 &srcrect, &dstrect, ctx.angle, NULL, render_flip);
+	double angle = ctx.angle + data.angle_offset;
+
+	this->set_color_texture(ctx.texture, ctx.sprite.data.color);
+	SDL_RenderCopyExF(this->game_renderer.get(), ctx.texture.get_img(), srcrect_ptr, &dstrect,
+					  angle, NULL, render_flip);
 }
 
-void SDLContext::set_camera(const Camera & cam) {
+void SDLContext::update_camera_view(const Camera & cam, const vec2 & new_pos) {
 
+	const Camera::Data & cam_data = cam.data;
 	// resize window
 	int w, h;
 	SDL_GetWindowSize(this->game_window.get(), &w, &h);
@@ -270,46 +288,53 @@ void SDLContext::set_camera(const Camera & cam) {
 		SDL_SetWindowSize(this->game_window.get(), cam.screen.x, cam.screen.y);
 	}
 
-	double screen_aspect = cam.screen.x / cam.screen.y;
-	double viewport_aspect = cam.viewport_size.x / cam.viewport_size.y;
+	vec2 & zoomed_viewport = this->cam_aux_data.zoomed_viewport;
+	vec2 & bar_size = this->cam_aux_data.bar_size;
+	vec2 & render_scale = this->cam_aux_data.render_scale;
+	this->cam_aux_data.cam_pos = new_pos;
+
+	zoomed_viewport = cam.viewport_size * cam_data.zoom;
+	float screen_aspect = static_cast<float>(cam.screen.x) / cam.screen.y;
+	float viewport_aspect = zoomed_viewport.x / zoomed_viewport.y;
 
-	SDL_Rect view;
 	// calculate black bars
 	if (screen_aspect > viewport_aspect) {
-		// letterboxing
-		view.h = cam.screen.y / cam.zoom;
-		view.w = cam.screen.y * viewport_aspect;
-		view.x = (cam.screen.x - view.w) / 2;
-		view.y = 0;
-	} else {
 		// pillarboxing
-		view.h = cam.screen.x / viewport_aspect;
-		view.w = cam.screen.x / cam.zoom;
-		view.x = 0;
-		view.y = (cam.screen.y - view.h) / 2;
+		float scale = cam.screen.y / zoomed_viewport.y;
+		float adj_width = zoomed_viewport.x * scale;
+		float bar_width = (cam.screen.x - adj_width) / 2;
+		this->black_bars[0] = {0, 0, bar_width, (float) cam.screen.y};
+		this->black_bars[1] = {(cam.screen.x - bar_width), 0, bar_width, (float) cam.screen.y};
+
+		bar_size = {bar_width, 0};
+		render_scale.x = render_scale.y = scale;
+	} else {
+		// letterboxing
+		float scale = cam.screen.x / (cam.viewport_size.x * cam_data.zoom);
+		float adj_height = cam.viewport_size.y * scale;
+		float bar_height = (cam.screen.y - adj_height) / 2;
+		this->black_bars[0] = {0, 0, (float) cam.screen.x, bar_height};
+		this->black_bars[1]
+			= {0, (cam.screen.y - bar_height), (float) cam.screen.x, bar_height};
+
+		bar_size = {0, bar_height};
+		render_scale.x = render_scale.y = scale;
 	}
-	// set drawing area
-	SDL_RenderSetViewport(this->game_renderer.get(), &view);
-
-	SDL_RenderSetLogicalSize(this->game_renderer.get(), static_cast<int>(cam.viewport_size.x),
-							 static_cast<int>(cam.viewport_size.y));
 
-	// set bg color
-	SDL_SetRenderDrawColor(this->game_renderer.get(), cam.bg_color.r, cam.bg_color.g,
-						   cam.bg_color.b, cam.bg_color.a);
+	SDL_SetRenderDrawColor(this->game_renderer.get(), cam_data.bg_color.r, cam_data.bg_color.g,
+						   cam_data.bg_color.b, cam_data.bg_color.a);
 
 	SDL_Rect bg = {
 		.x = 0,
 		.y = 0,
-		.w = static_cast<int>(cam.viewport_size.x),
-		.h = static_cast<int>(cam.viewport_size.y),
+		.w = cam.screen.x,
+		.h = cam.screen.y,
 	};
+
 	// fill bg color
 	SDL_RenderFillRect(this->game_renderer.get(), &bg);
 }
 
-uint64_t SDLContext::get_ticks() const { return SDL_GetTicks64(); }
-
 std::unique_ptr<SDL_Texture, std::function<void(SDL_Texture *)>>
 SDLContext::texture_from_path(const std::string & path) {
 
@@ -336,16 +361,18 @@ SDLContext::texture_from_path(const std::string & path) {
 
 ivec2 SDLContext::get_size(const Texture & ctx) {
 	ivec2 size;
-	SDL_QueryTexture(ctx.texture.get(), NULL, NULL, &size.x, &size.y);
+	SDL_QueryTexture(ctx.get_img(), NULL, NULL, &size.x, &size.y);
 	return size;
 }
 
-void SDLContext::delay(int ms) const { SDL_Delay(ms); }
-
 std::vector<SDLContext::EventData> SDLContext::get_events() {
 	std::vector<SDLContext::EventData> event_list;
 	SDL_Event event;
+	const CameraAuxiliaryData & cam = this->cam_aux_data;
 	while (SDL_PollEvent(&event)) {
+		ivec2 mouse_pos;
+		mouse_pos.x = (event.button.x - cam.bar_size.x) / cam.render_scale.x;
+		mouse_pos.y = (event.button.y - cam.bar_size.y) / cam.render_scale.y;
 		switch (event.type) {
 			case SDL_QUIT:
 				event_list.push_back(EventData{
@@ -369,7 +396,7 @@ std::vector<SDLContext::EventData> SDLContext::get_events() {
 				event_list.push_back(EventData{
 					.event_type = SDLContext::EventType::MOUSEDOWN,
 					.mouse_button = sdl_to_mousebutton(event.button.button),
-					.mouse_position = {event.button.x, event.button.y},
+					.mouse_position = mouse_pos,
 				});
 				break;
 			case SDL_MOUSEBUTTONUP: {
@@ -378,21 +405,21 @@ std::vector<SDLContext::EventData> SDLContext::get_events() {
 				event_list.push_back(EventData{
 					.event_type = SDLContext::EventType::MOUSEUP,
 					.mouse_button = sdl_to_mousebutton(event.button.button),
-					.mouse_position = {event.button.x, event.button.y},
+					.mouse_position = mouse_pos,
 				});
 			} break;
 
 			case SDL_MOUSEMOTION: {
 				event_list.push_back(
 					EventData{.event_type = SDLContext::EventType::MOUSEMOVE,
-							  .mouse_position = {event.motion.x, event.motion.y},
+							  .mouse_position = mouse_pos,
 							  .rel_mouse_move = {event.motion.xrel, event.motion.yrel}});
 			} break;
 
 			case SDL_MOUSEWHEEL: {
 				event_list.push_back(EventData{
 					.event_type = SDLContext::EventType::MOUSEWHEEL,
-					.mouse_position = {event.motion.x, event.motion.y},
+					.mouse_position = mouse_pos,
 					// TODO: why is this needed?
 					.scroll_direction = event.wheel.y < 0 ? -1 : 1,
 					.scroll_delta = event.wheel.preciseY,
@@ -403,6 +430,6 @@ std::vector<SDLContext::EventData> SDLContext::get_events() {
 	return event_list;
 }
 void SDLContext::set_color_texture(const Texture & texture, const Color & color) {
-	SDL_SetTextureColorMod(texture.texture.get(), color.r, color.g, color.b);
-	SDL_SetTextureAlphaMod(texture.texture.get(), color.a);
+	SDL_SetTextureColorMod(texture.get_img(), color.r, color.g, color.b);
+	SDL_SetTextureAlphaMod(texture.get_img(), color.a);
 }