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-rw-r--r--src/crepe/api/Script.cpp1
-rw-r--r--src/crepe/api/Text.cpp2
-rw-r--r--src/crepe/api/Text.h2
-rw-r--r--src/crepe/facade/SDLContext.cpp72
-rw-r--r--src/crepe/facade/SDLContext.h23
-rw-r--r--src/crepe/system/RenderSystem.cpp64
-rw-r--r--src/crepe/system/RenderSystem.h31
-rw-r--r--src/crepe/util/AbsolutePosition.cpp20
-rw-r--r--src/crepe/util/AbsolutePosition.h14
-rw-r--r--src/crepe/util/CMakeLists.txt2
-rw-r--r--src/example/rendering_particle.cpp33
11 files changed, 182 insertions, 82 deletions
diff --git a/src/crepe/api/Script.cpp b/src/crepe/api/Script.cpp
index 85016f5..7531388 100644
--- a/src/crepe/api/Script.cpp
+++ b/src/crepe/api/Script.cpp
@@ -40,4 +40,3 @@ bool Script::get_key_state(Keycode key) const noexcept {
return false;
}
}
-
diff --git a/src/crepe/api/Text.cpp b/src/crepe/api/Text.cpp
index 54a4370..4a94180 100644
--- a/src/crepe/api/Text.cpp
+++ b/src/crepe/api/Text.cpp
@@ -1,5 +1,3 @@
-#include "../facade/FontFacade.h"
-
#include "Text.h"
using namespace crepe;
diff --git a/src/crepe/api/Text.h b/src/crepe/api/Text.h
index c30dc80..da40141 100644
--- a/src/crepe/api/Text.h
+++ b/src/crepe/api/Text.h
@@ -3,8 +3,6 @@
#include <optional>
#include <string>
-#include "../Component.h"
-
#include "Asset.h"
#include "Color.h"
#include "UIObject.h"
diff --git a/src/crepe/facade/SDLContext.cpp b/src/crepe/facade/SDLContext.cpp
index 0d5eb01..ca45b79 100644
--- a/src/crepe/facade/SDLContext.cpp
+++ b/src/crepe/facade/SDLContext.cpp
@@ -20,7 +20,11 @@
#include "../api/Config.h"
#include "../api/Sprite.h"
#include "../util/Log.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"
@@ -31,9 +35,6 @@ 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()));
}
@@ -62,6 +63,10 @@ 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()));
+ }
+
mediator.sdl_context = *this;
}
@@ -74,8 +79,8 @@ 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();
}
@@ -147,14 +152,13 @@ SDL_FRect SDLContext::get_dst_rect(const DestinationRectangleData & ctx) const {
size *= cam_aux_data.render_scale * ctx.img_scale * data.scale_offset;
if (ctx.sprite.data.world_space) {
- vec2 multiplier = cam_aux_data.cam_pos
- + (cam_aux_data.zoomed_viewport / 2) * cam_aux_data.render_scale
- - size / 2 + cam_aux_data.bar_size;
- screen_pos += multiplier;
+ 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 {
- vec2 multiplier = (cam_aux_data.zoomed_viewport / 2) * cam_aux_data.render_scale
- - size / 2 + cam_aux_data.bar_size;
- screen_pos += multiplier;
+ 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{
@@ -195,6 +199,52 @@ void SDLContext::draw(const RenderContext & ctx) {
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) {
const Camera::Data & cam_data = cam.data;
diff --git a/src/crepe/facade/SDLContext.h b/src/crepe/facade/SDLContext.h
index b687f87..e570073 100644
--- a/src/crepe/facade/SDLContext.h
+++ b/src/crepe/facade/SDLContext.h
@@ -12,18 +12,21 @@
#include <unordered_map>
#include "../types.h"
+#include "EventData.h"
#include "api/Camera.h"
#include "api/Color.h"
#include "api/KeyCodes.h"
#include "api/Sprite.h"
#include "api/Transform.h"
-#include "types.h"
#include "EventData.h"
#include "FontFacade.h"
+#include "types.h"
namespace crepe {
class Texture;
+class Text;
+class Font;
class Mediator;
/**
@@ -71,12 +74,11 @@ public:
const double & scale;
};
-public:
- /**
- * \brief Gets the singleton instance of SDLContext.
- * \return Reference to the SDLContext instance.
- */
- static SDLContext & get_instance();
+ struct RenderText {
+ const Text & text;
+ const Font & font;
+ const Transform & transform;
+ };
public:
SDLContext(const SDLContext &) = delete;
@@ -186,6 +188,13 @@ public:
*/
void draw(const RenderContext & ctx);
+ /**
+ * \brief draws a text to the screen
+ *
+ * \param data Reference to the rendering data needed to draw
+ */
+ void draw_text(const RenderText & data);
+
//! Clears the screen, preparing for a new frame.
void clear_screen();
diff --git a/src/crepe/system/RenderSystem.cpp b/src/crepe/system/RenderSystem.cpp
index 57d180f..e8339c3 100644
--- a/src/crepe/system/RenderSystem.cpp
+++ b/src/crepe/system/RenderSystem.cpp
@@ -16,6 +16,8 @@
#include "../facade/Texture.h"
#include "../manager/ComponentManager.h"
#include "../manager/ResourceManager.h"
+#include "api/Text.h"
+#include "facade/Font.h"
#include "RenderSystem.h"
#include "types.h"
@@ -70,12 +72,34 @@ RefVector<Sprite> RenderSystem::sort(RefVector<Sprite> & objs) const {
void RenderSystem::update() {
this->clear_screen();
this->render();
+ this->render_text();
this->present_screen();
}
-bool RenderSystem::render_particle(const Sprite & sprite, const float & transform_angle,
- const float & scale) {
+void RenderSystem::render_text() {
+ SDLContext & ctx = this->mediator.sdl_context;
+ ComponentManager & mgr = this->mediator.component_manager;
+ ResourceManager & resource_manager = this->mediator.resource_manager;
+ RefVector<Text> texts = mgr.get_components_by_type<Text>();
+
+ for (Text & text : texts) {
+ if (!text.active) continue;
+ if (!text.font.has_value())
+ text.font.emplace(ctx.get_font_from_name(text.font_family));
+
+ const Font & font = resource_manager.get<Font>(text.font.value());
+ const auto & transform
+ = mgr.get_components_by_id<Transform>(text.game_object_id).front().get();
+ ctx.draw_text(SDLContext::RenderText{
+ .text = text,
+ .font = font,
+ .transform = transform,
+ });
+ }
+}
+
+bool RenderSystem::render_particle(const Sprite & sprite, const Transform & transform) {
ComponentManager & mgr = this->mediator.component_manager;
SDLContext & ctx = this->mediator.sdl_context;
ResourceManager & resource_manager = this->mediator.resource_manager;
@@ -99,14 +123,14 @@ bool RenderSystem::render_particle(const Sprite & sprite, const float & transfor
.sprite = sprite,
.texture = res,
.pos = p.position,
- .angle = p.angle + transform_angle,
- .scale = scale,
+ .angle = p.angle + transform.rotation,
+ .scale = transform.scale,
});
}
}
return rendering_particles;
}
-void RenderSystem::render_normal(const Sprite & sprite, const Transform & tm) {
+void RenderSystem::render_normal(const Sprite & sprite, const Transform & transform) {
SDLContext & ctx = this->mediator.sdl_context;
ResourceManager & resource_manager = this->mediator.resource_manager;
const Texture & res = resource_manager.get<Texture>(sprite.source);
@@ -114,9 +138,9 @@ void RenderSystem::render_normal(const Sprite & sprite, const Transform & tm) {
ctx.draw(SDLContext::RenderContext{
.sprite = sprite,
.texture = res,
- .pos = tm.position,
- .angle = tm.rotation,
- .scale = tm.scale,
+ .pos = transform.position,
+ .angle = transform.rotation,
+ .scale = transform.scale,
});
}
@@ -128,36 +152,16 @@ void RenderSystem::render() {
ResourceManager & resource_manager = this->mediator.resource_manager;
RefVector<Sprite> sorted_sprites = this->sort(sprites);
RefVector<Text> text_components = mgr.get_components_by_type<Text>();
- for (Text & text : text_components) {
- const Transform & transform
- = mgr.get_components_by_id<Transform>(text.game_object_id).front().get();
- this->render_text(text, transform);
- }
+
for (const Sprite & sprite : sorted_sprites) {
if (!sprite.active) continue;
const Transform & transform
= mgr.get_components_by_id<Transform>(sprite.game_object_id).front().get();
- bool rendered_particles
- = this->render_particle(sprite, transform.rotation, transform.scale);
+ bool rendered_particles = this->render_particle(sprite, transform);
if (rendered_particles) continue;
this->render_normal(sprite, transform);
}
}
-void RenderSystem::render_text(Text & text, const Transform & tm) {
- SDLContext & ctx = this->mediator.sdl_context;
-
- if (!text.font.has_value()) {
- text.font.emplace(ctx.get_font_from_name(text.font_family));
- }
-
- ResourceManager & resource_manager = this->mediator.resource_manager;
-
- if (!text.font.has_value()) {
- return;
- }
- const Asset & font_asset = text.font.value();
- const Font & res = resource_manager.get<Font>(font_asset);
-}
diff --git a/src/crepe/system/RenderSystem.h b/src/crepe/system/RenderSystem.h
index 76df0e0..14e5c2d 100644
--- a/src/crepe/system/RenderSystem.h
+++ b/src/crepe/system/RenderSystem.h
@@ -36,35 +36,28 @@ private:
//! Updates the active camera used for rendering.
void update_camera();
- //! Renders the whole screen
+ //! Renders all the sprites and particles
void render();
+ //! Renders all Text components
+ void render_text();
+
+private:
/**
* \brief Renders all the particles on the screen from a given sprite.
*
* \param sprite renders the particles with given texture
- * \param tm the Transform component for scale. This is not a const reference because each
- * particle has a position and rotation that needs to overwrite the transform position and
- * rotation without overwriting the current transform. and because the transform
- * constructor is now protected i cannot make tmp inside
+ * \param transform the component that holds the position, rotation, and scale.
* \return true if particles have been rendered
*/
- bool render_particle(const Sprite & sprite, const float & transform_angle,
- const float & scale);
- /**
- * \brief Renders all Text components
- *
- * \param text The text component to be rendered.
- * \param tm the Transform component that holds the position,rotation and scale
- */
- void render_text(Text & text, const Transform & tm);
+ bool render_particle(const Sprite & sprite, const Transform & transform);
/**
* \brief renders a sprite with a Transform component on the screen
*
* \param sprite the sprite component that holds all the data
- * \param tm the Transform component that holds the position,rotation and scale
+ * \param transform the Transform component that holds the position,rotation and scale
*/
- void render_normal(const Sprite & sprite, const Transform & tm);
+ void render_normal(const Sprite & sprite, const Transform & transform);
/**
* \brief sort a vector sprite objects with
@@ -73,12 +66,6 @@ private:
* \return returns a sorted reference vector
*/
RefVector<Sprite> sort(RefVector<Sprite> & objs) const;
-
- /**
- * \todo Add text rendering using SDL_ttf for text components.
- * \todo Implement a text component and a button component.
- * \todo Consider adding text input functionality.
- */
};
} // namespace crepe
diff --git a/src/crepe/util/AbsolutePosition.cpp b/src/crepe/util/AbsolutePosition.cpp
new file mode 100644
index 0000000..29ade23
--- /dev/null
+++ b/src/crepe/util/AbsolutePosition.cpp
@@ -0,0 +1,20 @@
+#include "AbsolutePosition.h"
+
+using namespace crepe;
+
+vec2 AbsolutePosition::get_position(const Transform & transform, const vec2 & offset) {
+ // Get the rotation in radians
+ float radians1 = transform.rotation * (M_PI / 180.0);
+
+ // Calculate total offset with scale
+ vec2 total_offset = offset * transform.scale;
+
+ // Rotate
+ float rotated_total_offset_x1
+ = total_offset.x * cos(radians1) - total_offset.y * sin(radians1);
+ float rotated_total_offset_y1
+ = total_offset.x * sin(radians1) + total_offset.y * cos(radians1);
+
+ // Final positions considering scaling and rotation
+ return (transform.position + vec2(rotated_total_offset_x1, rotated_total_offset_y1));
+}
diff --git a/src/crepe/util/AbsolutePosition.h b/src/crepe/util/AbsolutePosition.h
new file mode 100644
index 0000000..0bc8748
--- /dev/null
+++ b/src/crepe/util/AbsolutePosition.h
@@ -0,0 +1,14 @@
+#pragma once
+
+#include "api/Transform.h"
+
+#include "types.h"
+
+namespace crepe {
+
+class AbsolutePosition {
+public:
+ static vec2 get_position(const Transform & transform, const vec2 & offset);
+};
+
+} // namespace crepe
diff --git a/src/crepe/util/CMakeLists.txt b/src/crepe/util/CMakeLists.txt
index 94ed906..33160a7 100644
--- a/src/crepe/util/CMakeLists.txt
+++ b/src/crepe/util/CMakeLists.txt
@@ -1,6 +1,7 @@
target_sources(crepe PUBLIC
LogColor.cpp
Log.cpp
+ AbsolutePosition.cpp
)
target_sources(crepe PUBLIC FILE_SET HEADERS FILES
@@ -11,5 +12,6 @@ target_sources(crepe PUBLIC FILE_SET HEADERS FILES
Proxy.hpp
OptionalRef.h
OptionalRef.hpp
+ AbsolutePosition.h
)
diff --git a/src/example/rendering_particle.cpp b/src/example/rendering_particle.cpp
index 0fe24df..5440fdd 100644
--- a/src/example/rendering_particle.cpp
+++ b/src/example/rendering_particle.cpp
@@ -1,4 +1,7 @@
+
+
#include "api/Asset.h"
+#include "api/Text.h"
#include <crepe/Component.h>
#include <crepe/api/Animator.h>
#include <crepe/api/Button.h>
@@ -24,7 +27,7 @@ public:
Color color(255, 255, 255, 255);
- Asset img{"asset/spritesheet/spritesheet_test.png"};
+ Asset img{"asset/texture/square.png"};
Sprite & test_sprite = game_object.add_component<Sprite>(
img, Sprite::Data{
@@ -32,18 +35,34 @@ public:
.flip = Sprite::FlipSettings{false, false},
.sorting_in_layer = 2,
.order_in_layer = 2,
- .size = {0, 100},
+ .size = {1, 1},
.angle_offset = 0,
- .position_offset = {0, 0},
+ .position_offset = {0, 1},
+ .world_space = false,
});
- auto & emitter
- = game_object.add_component<ParticleEmitter>(test_sprite, ParticleEmitter::Data{});
+ //auto & emitter = game_object.add_component<ParticleEmitter>(test_sprite, ParticleEmitter::Data{});
+
+ Sprite & test_sprite1
+ = game_object.add_component<Sprite>(img, Sprite::Data{
+ .color = color,
+ .size = {1, 1},
+ .position_offset = {0, -1},
+ .world_space = false,
+ });
- auto & cam = game_object.add_component<Camera>(ivec2{1280, 720}, vec2{400, 400},
+ auto & cam = game_object.add_component<Camera>(ivec2{1280, 720}, vec2{5, 5},
Camera::Data{
.bg_color = Color::WHITE,
+ .postion_offset = {1000, 1000},
});
- cam.data.postion_offset = {1000, 1000};
+
+ /*
+ game_object.add_component<Text>(vec2{1, 1}, vec2{0, -0.5}, "ComicSansMS",
+ Text::Data{.text_color = Color::RED}, "test TEST");
+
+ game_object.add_component<Text>(vec2{1, 1}, vec2{0, 0.5}, "ComicSansMS",
+ Text::Data{.text_color = Color::BLACK}, "TEST test");
+ */
}
string get_name() const { return "TestScene"; };