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path: root/src/crepe/facade/SDLContext.cpp
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Diffstat (limited to 'src/crepe/facade/SDLContext.cpp')
-rw-r--r--src/crepe/facade/SDLContext.cpp125
1 files changed, 96 insertions, 29 deletions
diff --git a/src/crepe/facade/SDLContext.cpp b/src/crepe/facade/SDLContext.cpp
index fffbe34..859f966 100644
--- a/src/crepe/facade/SDLContext.cpp
+++ b/src/crepe/facade/SDLContext.cpp
@@ -1,5 +1,6 @@
#include <SDL2/SDL.h>
#include <SDL2/SDL_blendmode.h>
+#include <SDL2/SDL_hints.h>
#include <SDL2/SDL_image.h>
#include <SDL2/SDL_keycode.h>
#include <SDL2/SDL_pixels.h>
@@ -11,7 +12,6 @@
#include <array>
#include <cmath>
#include <cstddef>
-#include <cstdint>
#include <functional>
#include <memory>
#include <stdexcept>
@@ -20,8 +20,12 @@
#include "../api/Color.h"
#include "../api/Config.h"
#include "../api/Sprite.h"
-#include "../util/Log.h"
+#include "../util/dbg.h"
+#include "api/Text.h"
+#include "api/Transform.h"
+#include "facade/Font.h"
#include "manager/Mediator.h"
+#include "util/AbsolutePosition.h"
#include "SDLContext.h"
#include "Texture.h"
@@ -32,17 +36,15 @@ using namespace std;
SDLContext::SDLContext(Mediator & mediator) {
dbg_trace();
- if (TTF_Init() == -1) {
- throw runtime_error(format("SDL_ttf initialization failed: {}", TTF_GetError()));
- }
if (SDL_Init(SDL_INIT_VIDEO) != 0) {
throw runtime_error(format("SDLContext: SDL_Init error: {}", SDL_GetError()));
}
auto & cfg = Config::get_instance().window_settings;
- SDL_Window * tmp_window
- = SDL_CreateWindow(cfg.window_title.c_str(), SDL_WINDOWPOS_CENTERED,
- SDL_WINDOWPOS_CENTERED, cfg.default_size.x, cfg.default_size.y, 0);
+ SDL_Window * tmp_window = SDL_CreateWindow(
+ cfg.window_title.c_str(), SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
+ cfg.default_size.x, cfg.default_size.y, 0
+ );
if (!tmp_window) {
throw runtime_error(format("SDLContext: SDL_Window error: {}", SDL_GetError()));
}
@@ -51,8 +53,8 @@ SDLContext::SDLContext(Mediator & mediator) {
SDL_Renderer * tmp_renderer
= SDL_CreateRenderer(this->game_window.get(), -1, SDL_RENDERER_ACCELERATED);
if (!tmp_renderer) {
- throw runtime_error(
- format("SDLContext: SDL_CreateRenderer error: {}", SDL_GetError()));
+ throw runtime_error(format("SDLContext: SDL_CreateRenderer error: {}", SDL_GetError())
+ );
}
this->game_renderer
@@ -63,6 +65,12 @@ SDLContext::SDLContext(Mediator & mediator) {
throw runtime_error("SDLContext: SDL_image could not initialize!");
}
+ if (TTF_Init() == -1) {
+ throw runtime_error(format("SDL_ttf initialization failed: {}", TTF_GetError()));
+ }
+
+ SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "1");
+
mediator.sdl_context = *this;
}
@@ -75,8 +83,8 @@ SDLContext::~SDLContext() {
// TODO: how are we going to ensure that these are called from the same
// thread that SDL_Init() was called on? This has caused problems for me
// before.
- IMG_Quit();
TTF_Quit();
+ IMG_Quit();
SDL_Quit();
}
@@ -101,7 +109,7 @@ const keyboard_state_t & SDLContext::get_keyboard_state() {
MouseButton SDLContext::sdl_to_mousebutton(Uint8 sdl_button) {
static const std::array<MouseButton, 5> MOUSE_BUTTON_LOOKUP_TABLE = [] {
- std::array<MouseButton, 5> table{};
+ std::array<MouseButton, 5> table {};
table.fill(MouseButton::NONE);
table[SDL_BUTTON_LEFT] = MouseButton::LEFT_MOUSE;
@@ -137,6 +145,8 @@ SDL_FRect SDLContext::get_dst_rect(const DestinationRectangleData & ctx) const {
= (ctx.sprite.aspect_ratio == 0) ? ctx.texture.get_ratio() : ctx.sprite.aspect_ratio;
vec2 size = data.size;
+ vec2 screen_pos = ctx.pos;
+
if (data.size.x == 0 && data.size.y != 0) {
size.x = data.size.y * aspect_ratio;
}
@@ -145,12 +155,17 @@ SDL_FRect SDLContext::get_dst_rect(const DestinationRectangleData & ctx) const {
}
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;
+ if (ctx.sprite.data.world_space) {
+ screen_pos = (screen_pos - cam_aux_data.cam_pos + cam_aux_data.zoomed_viewport / 2)
+ * cam_aux_data.render_scale
+ - size / 2 + cam_aux_data.bar_size;
+ } else {
+ screen_pos
+ = (screen_pos + cam_aux_data.zoomed_viewport / 2) * cam_aux_data.render_scale
+ - size / 2 + cam_aux_data.bar_size;
+ }
- return SDL_FRect{
+ return SDL_FRect {
.x = screen_pos.x,
.y = screen_pos.y,
.w = size.x,
@@ -174,7 +189,7 @@ void SDLContext::draw(const RenderContext & ctx) {
srcrect_ptr = &srcrect;
}
- SDL_FRect dstrect = this->get_dst_rect(SDLContext::DestinationRectangleData{
+ SDL_FRect dstrect = this->get_dst_rect(SDLContext::DestinationRectangleData {
.sprite = ctx.sprite,
.texture = ctx.texture,
.pos = ctx.pos,
@@ -184,8 +199,57 @@ void SDLContext::draw(const RenderContext & ctx) {
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);
+ SDL_RenderCopyExF(
+ this->game_renderer.get(), ctx.texture.get_img(), srcrect_ptr, &dstrect, angle, NULL,
+ render_flip
+ );
+}
+
+void SDLContext::draw_text(const RenderText & data) {
+
+ const Text & text = data.text;
+ const Font & font = data.font;
+ vec2 absoluut_pos = AbsolutePosition::get_position(data.transform, data.text.offset);
+ std::unique_ptr<SDL_Surface, std::function<void(SDL_Surface *)>> font_surface;
+ std::unique_ptr<SDL_Texture, std::function<void(SDL_Texture *)>> font_texture;
+
+ SDL_Color color {
+ .r = text.data.text_color.r,
+ .g = text.data.text_color.g,
+ .b = text.data.text_color.b,
+ .a = text.data.text_color.a,
+ };
+ SDL_Surface * tmp_font_surface
+ = TTF_RenderText_Solid(font.get_font(), text.text.c_str(), color);
+ if (tmp_font_surface == NULL) {
+ throw runtime_error(format("draw_text: font surface error: {}", SDL_GetError()));
+ }
+ font_surface = {tmp_font_surface, [](SDL_Surface * surface) { SDL_FreeSurface(surface); }};
+
+ SDL_Texture * tmp_font_texture
+ = SDL_CreateTextureFromSurface(this->game_renderer.get(), font_surface.get());
+ if (tmp_font_texture == NULL) {
+ throw runtime_error(format("draw_text: font texture error: {}", SDL_GetError()));
+ }
+ font_texture
+ = {tmp_font_texture, [](SDL_Texture * texture) { SDL_DestroyTexture(texture); }};
+
+ vec2 size = text.dimensions * cam_aux_data.render_scale * data.transform.scale;
+ vec2 screen_pos = (absoluut_pos - cam_aux_data.cam_pos + (cam_aux_data.zoomed_viewport) / 2
+ ) * cam_aux_data.render_scale
+ - size / 2 + cam_aux_data.bar_size;
+
+ SDL_FRect dstrect {
+ .x = screen_pos.x,
+ .y = screen_pos.y,
+ .w = size.x,
+ .h = size.y,
+ };
+
+ SDL_RenderCopyExF(
+ this->game_renderer.get(), font_texture.get(), NULL, &dstrect, data.transform.rotation,
+ NULL, SDL_FLIP_NONE
+ );
}
void SDLContext::update_camera_view(const Camera & cam, const vec2 & new_pos) {
@@ -231,8 +295,10 @@ void SDLContext::update_camera_view(const Camera & cam, const vec2 & new_pos) {
render_scale.x = render_scale.y = scale;
}
- 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_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,
@@ -367,11 +433,12 @@ std::vector<EventData> SDLContext::get_events() {
return event_list;
}
-void SDLContext::handle_window_event(const SDL_WindowEvent & window_event,
- std::vector<EventData> & event_list) {
+void SDLContext::handle_window_event(
+ const SDL_WindowEvent & window_event, std::vector<EventData> & event_list
+) {
switch (window_event.event) {
case SDL_WINDOWEVENT_EXPOSED:
- event_list.push_back(EventData{EventType::WINDOW_EXPOSE});
+ event_list.push_back(EventData {EventType::WINDOW_EXPOSE});
break;
case SDL_WINDOWEVENT_RESIZED:
event_list.push_back(EventData{
@@ -395,16 +462,16 @@ void SDLContext::handle_window_event(const SDL_WindowEvent & window_event,
break;
case SDL_WINDOWEVENT_MINIMIZED:
- event_list.push_back(EventData{EventType::WINDOW_MINIMIZE});
+ event_list.push_back(EventData {EventType::WINDOW_MINIMIZE});
break;
case SDL_WINDOWEVENT_MAXIMIZED:
- event_list.push_back(EventData{EventType::WINDOW_MAXIMIZE});
+ event_list.push_back(EventData {EventType::WINDOW_MAXIMIZE});
break;
case SDL_WINDOWEVENT_FOCUS_GAINED:
- event_list.push_back(EventData{EventType::WINDOW_FOCUS_GAIN});
+ event_list.push_back(EventData {EventType::WINDOW_FOCUS_GAIN});
break;
case SDL_WINDOWEVENT_FOCUS_LOST:
- event_list.push_back(EventData{EventType::WINDOW_FOCUS_LOST});
+ event_list.push_back(EventData {EventType::WINDOW_FOCUS_LOST});
break;
}
}