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-rw-r--r--src/CMakeLists.txt2
-rw-r--r--src/crepe/Asset.cpp46
-rw-r--r--src/crepe/Asset.h32
-rw-r--r--src/crepe/api/AudioSource.cpp6
-rw-r--r--src/crepe/api/AudioSource.h5
-rw-r--r--src/crepe/api/CMakeLists.txt4
-rw-r--r--src/crepe/api/Config.h14
-rw-r--r--src/crepe/api/Texture.cpp2
-rw-r--r--src/crepe/facade/SDLContext.cpp2
-rw-r--r--src/crepe/facade/Sound.cpp2
-rw-r--r--src/example/asset_manager.cpp22
-rw-r--r--src/example/audio_internal.cpp16
-rw-r--r--src/example/particles.cpp5
-rw-r--r--src/example/rendering.cpp6
-rw-r--r--src/test/AssetTest.cpp33
-rw-r--r--src/test/AudioTest.cpp4
-rw-r--r--src/test/CMakeLists.txt1
-rw-r--r--src/test/ParticleTest.cpp2
18 files changed, 149 insertions, 55 deletions
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 445a8b2..c3f29da 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -11,6 +11,7 @@ find_package(SDL2 REQUIRED)
find_package(SDL2_image REQUIRED)
find_package(SoLoud REQUIRED)
find_package(GTest REQUIRED)
+find_package(whereami REQUIRED)
find_library(BERKELEY_DB db)
add_library(crepe SHARED)
@@ -25,6 +26,7 @@ target_link_libraries(crepe
PUBLIC SDL2
PUBLIC SDL2_image
PUBLIC ${BERKELEY_DB}
+ PUBLIC whereami
)
add_subdirectory(crepe)
diff --git a/src/crepe/Asset.cpp b/src/crepe/Asset.cpp
index 9c41ecb..8692c6c 100644
--- a/src/crepe/Asset.cpp
+++ b/src/crepe/Asset.cpp
@@ -1,16 +1,50 @@
#include <filesystem>
+#include <stdexcept>
+#include <whereami.h>
#include "Asset.h"
+#include "api/Config.h"
using namespace crepe;
using namespace std;
-// FIXME: restore this
-// src(std::filesystem::canonical(src))
-Asset::Asset(const std::string & src) : src(src) {
- this->file = std::ifstream(this->src, std::ios::in | std::ios::binary);
+Asset::Asset(const string & src) : src(find_asset(src)) { }
+Asset::Asset(const char * src) : src(find_asset(src)) { }
+
+const string & Asset::get_path() const noexcept { return this->src; }
+
+string Asset::find_asset(const string & src) const {
+ auto & cfg = Config::get_instance();
+ auto & root_pattern = cfg.asset.root_pattern;
+
+ // if root_pattern is empty, find_asset must return all paths as-is
+ if (root_pattern.empty()) return src;
+
+ // absolute paths do not need to be resolved, only canonicalized
+ filesystem::path path = src;
+ if (path.is_absolute())
+ return filesystem::canonical(path);
+
+ // find directory matching root_pattern
+ filesystem::path root = this->whereami();
+ while (1) {
+ if (filesystem::exists(root / root_pattern))
+ break;
+ if (!root.has_parent_path())
+ throw runtime_error(format("Asset: Cannot find root pattern ({})", root_pattern));
+ root = root.parent_path();
+ }
+
+ // join path to root (base directory) and canonicalize
+ return filesystem::canonical(root / path);
}
-istream & Asset::get_stream() { return this->file; }
+string Asset::whereami() const noexcept {
+ string path;
+ size_t path_length = wai_getExecutablePath(NULL, 0, NULL);
+ path.resize(path_length + 1); // wai writes null byte
+ wai_getExecutablePath(path.data(), path_length, NULL);
+ path.resize(path_length);
+ return path;
+}
-const string & Asset::get_canonical() const { return this->src; }
diff --git a/src/crepe/Asset.h b/src/crepe/Asset.h
index cb413f4..f6e6782 100644
--- a/src/crepe/Asset.h
+++ b/src/crepe/Asset.h
@@ -1,7 +1,5 @@
#pragma once
-#include <fstream>
-#include <iostream>
#include <string>
namespace crepe {
@@ -9,8 +7,8 @@ namespace crepe {
/**
* \brief Asset location helper
*
- * This class is used to locate and canonicalize paths to game asset files, and
- * should *always* be used when retrieving files from disk.
+ * This class is used to locate game asset files, and should *always* be used
+ * instead of reading file paths directly.
*/
class Asset {
public:
@@ -18,24 +16,28 @@ public:
* \param src Unique identifier to asset
*/
Asset(const std::string & src);
-
-public:
/**
- * \brief Get an input stream to the contents of this asset
- * \return Input stream with file contents
+ * \param src Unique identifier to asset
*/
- std::istream & get_stream();
+ Asset(const char * src);
+
+public:
/**
- * \brief Get the canonical path to this asset
- * \return Canonical path to this asset
+ * \brief Get the path to this asset
+ * \return path to this asset
*/
- const std::string & get_canonical() const;
+ const std::string & get_path() const noexcept;
private:
- //! Canonical path to asset
+ //! path to asset
const std::string src;
- //! File handle (stream)
- std::ifstream file;
+
+private:
+ std::string find_asset(const std::string & src) const;
+ /**
+ * \returns The path to the current executable
+ */
+ std::string whereami() const noexcept;
};
} // namespace crepe
diff --git a/src/crepe/api/AudioSource.cpp b/src/crepe/api/AudioSource.cpp
index b0cf28c..4baac9a 100644
--- a/src/crepe/api/AudioSource.cpp
+++ b/src/crepe/api/AudioSource.cpp
@@ -1,13 +1,11 @@
-#include <memory>
-
#include "AudioSource.h"
using namespace crepe;
using namespace std;
-AudioSource::AudioSource(game_object_id_t id, unique_ptr<Asset> audio_clip) :
+AudioSource::AudioSource(game_object_id_t id, const Asset & src) :
Component(id),
- audio_clip(std::move(audio_clip))
+ source(src)
{ }
void AudioSource::play(bool looping) {
diff --git a/src/crepe/api/AudioSource.h b/src/crepe/api/AudioSource.h
index 5bc70f9..0748267 100644
--- a/src/crepe/api/AudioSource.h
+++ b/src/crepe/api/AudioSource.h
@@ -21,8 +21,6 @@ public:
void stop();
public:
- //! Sample file location
- const std::unique_ptr<Asset> audio_clip;
//! Play when this component becomes active
bool play_on_awake = false;
//! Repeat the current audio clip during playback
@@ -31,6 +29,9 @@ public:
float volume = 1.0;
private:
+ //! This audio source's clip
+ const Asset source;
+
//! If this source is playing audio
bool playing = false;
//! Rewind the sample location
diff --git a/src/crepe/api/CMakeLists.txt b/src/crepe/api/CMakeLists.txt
index 85696c4..93a1fac 100644
--- a/src/crepe/api/CMakeLists.txt
+++ b/src/crepe/api/CMakeLists.txt
@@ -1,5 +1,5 @@
target_sources(crepe PUBLIC
- # AudioSource.cpp
+ AudioSource.cpp
BehaviorScript.cpp
Script.cpp
GameObject.cpp
@@ -23,7 +23,7 @@ target_sources(crepe PUBLIC
)
target_sources(crepe PUBLIC FILE_SET HEADERS FILES
- # AudioSource.h
+ AudioSource.h
BehaviorScript.h
Config.h
Script.h
diff --git a/src/crepe/api/Config.h b/src/crepe/api/Config.h
index e3f86bf..c3f9474 100644
--- a/src/crepe/api/Config.h
+++ b/src/crepe/api/Config.h
@@ -58,6 +58,20 @@ public:
*/
double gravity = 1;
} physics;
+
+ //! Asset loading options
+ struct {
+ /**
+ * \brief Pattern to match for Asset base directory
+ *
+ * All non-absolute paths resolved using \c Asset will be made relative to
+ * the first parent directory relative to the calling executable where
+ * appending this pattern results in a path that exists. If this string is
+ * empty, path resolution is disabled, and Asset will return all paths
+ * as-is.
+ */
+ std::string root_pattern = ".crepe-root";
+ } asset;
};
} // namespace crepe
diff --git a/src/crepe/api/Texture.cpp b/src/crepe/api/Texture.cpp
index de0d0ea..6a1e4d8 100644
--- a/src/crepe/api/Texture.cpp
+++ b/src/crepe/api/Texture.cpp
@@ -26,7 +26,7 @@ Texture::~Texture() {
void Texture::load(unique_ptr<Asset> res) {
SDLContext & ctx = SDLContext::get_instance();
- this->texture = std::move(ctx.texture_from_path(res->get_canonical()));
+ this->texture = std::move(ctx.texture_from_path(res->get_path()));
}
int Texture::get_width() const {
diff --git a/src/crepe/facade/SDLContext.cpp b/src/crepe/facade/SDLContext.cpp
index a68d940..5527803 100644
--- a/src/crepe/facade/SDLContext.cpp
+++ b/src/crepe/facade/SDLContext.cpp
@@ -159,7 +159,7 @@ SDLContext::texture_from_path(const std::string & path) {
SDL_Surface * tmp = IMG_Load(path.c_str());
if (tmp == nullptr) {
- tmp = IMG_Load("../asset/texture/ERROR.png");
+ tmp = IMG_Load("asset/texture/ERROR.png");
}
std::unique_ptr<SDL_Surface, std::function<void(SDL_Surface *)>>
diff --git a/src/crepe/facade/Sound.cpp b/src/crepe/facade/Sound.cpp
index 5cd31e8..b7bfeab 100644
--- a/src/crepe/facade/Sound.cpp
+++ b/src/crepe/facade/Sound.cpp
@@ -13,7 +13,7 @@ Sound::Sound(SoundContext & ctx) : context(ctx) { dbg_trace(); }
unique_ptr<Resource> Sound::clone(const Asset & src) const {
auto instance = make_unique<Sound>(*this);
- instance->sample.load(src.get_canonical().c_str());
+ instance->sample.load(src.get_path().c_str());
return instance;
}
diff --git a/src/example/asset_manager.cpp b/src/example/asset_manager.cpp
index cf64f89..a2ca8c3 100644
--- a/src/example/asset_manager.cpp
+++ b/src/example/asset_manager.cpp
@@ -8,7 +8,7 @@ int main() {
// this needs to be called before the asset manager otherwise the destructor
// of sdl is not in the right order
- { Texture test("../asset/texture/img.png"); }
+ { Texture test("asset/texture/img.png"); }
// FIXME: make it so the issue described by the above comment is not possible
// (i.e. the order in which internal classes are instantiated should not
// impact the way the engine works).
@@ -18,20 +18,20 @@ int main() {
{
// TODO: [design] the Sound class can't be directly included by the user as
// it includes SoLoud headers.
- auto bgm = mgr.cache<Sound>("../mwe/audio/bgm.ogg");
- auto sfx1 = mgr.cache<Sound>("../mwe/audio/sfx1.wav");
- auto sfx2 = mgr.cache<Sound>("../mwe/audio/sfx2.wav");
+ auto bgm = mgr.cache<Sound>("mwe/audio/bgm.ogg");
+ auto sfx1 = mgr.cache<Sound>("mwe/audio/sfx1.wav");
+ auto sfx2 = mgr.cache<Sound>("mwe/audio/sfx2.wav");
- auto img = mgr.cache<Texture>("../asset/texture/img.png");
- auto img1 = mgr.cache<Texture>("../asset/texture/second.png");
+ auto img = mgr.cache<Texture>("asset/texture/img.png");
+ auto img1 = mgr.cache<Texture>("asset/texture/second.png");
}
{
- auto bgm = mgr.cache<Sound>("../mwe/audio/bgm.ogg");
- auto sfx1 = mgr.cache<Sound>("../mwe/audio/sfx1.wav");
- auto sfx2 = mgr.cache<Sound>("../mwe/audio/sfx2.wav");
+ auto bgm = mgr.cache<Sound>("mwe/audio/bgm.ogg");
+ auto sfx1 = mgr.cache<Sound>("mwe/audio/sfx1.wav");
+ auto sfx2 = mgr.cache<Sound>("mwe/audio/sfx2.wav");
- auto img = mgr.cache<Texture>("../asset/texture/img.png");
- auto img1 = mgr.cache<Texture>("../asset/texture/second.png");
+ auto img = mgr.cache<Texture>("asset/texture/img.png");
+ auto img1 = mgr.cache<Texture>("asset/texture/second.png");
}
}
diff --git a/src/example/audio_internal.cpp b/src/example/audio_internal.cpp
index ff55a59..9b60e6b 100644
--- a/src/example/audio_internal.cpp
+++ b/src/example/audio_internal.cpp
@@ -4,7 +4,9 @@
*/
#include <crepe/api/Config.h>
+#include <crepe/facade/SoundContext.h>
#include <crepe/facade/Sound.h>
+#include <crepe/Asset.h>
#include <crepe/util/Log.h>
#include <thread>
@@ -24,12 +26,18 @@ int _ = []() {
}();
int main() {
+ SoundContext ctx{};
+ Sound sound{ctx};
// Load a background track (Ogg Vorbis)
- auto bgm = Sound("../mwe/audio/bgm.ogg");
+ auto _bgm = sound.clone(Asset{"mwe/audio/bgm.ogg"});
+ Sound & bgm = *dynamic_cast<Sound *>(_bgm.get());
// Load three short samples (WAV)
- auto sfx1 = Sound("../mwe/audio/sfx1.wav");
- auto sfx2 = Sound("../mwe/audio/sfx2.wav");
- auto sfx3 = Sound("../mwe/audio/sfx3.wav");
+ auto _sfx1 = sound.clone(Asset{"mwe/audio/sfx1.wav"});
+ Sound & sfx1 = *dynamic_cast<Sound *>(_sfx1.get());
+ auto _sfx2 = sound.clone(Asset{"mwe/audio/sfx2.wav"});
+ Sound & sfx2 = *dynamic_cast<Sound *>(_sfx2.get());
+ auto _sfx3 = sound.clone(Asset{"mwe/audio/sfx3.wav"});
+ Sound & sfx3 = *dynamic_cast<Sound *>(_sfx3.get());
// Start the background track
bgm.play();
diff --git a/src/example/particles.cpp b/src/example/particles.cpp
index 6eab046..b65671a 100644
--- a/src/example/particles.cpp
+++ b/src/example/particles.cpp
@@ -14,10 +14,11 @@ using namespace crepe;
using namespace std;
int main(int argc, char * argv[]) {
- GameObject game_object(0, "", "", Vector2{0, 0}, 0, 0);
+ ComponentManager mgr;
+ GameObject game_object = mgr.new_object("", "", Vector2{0, 0}, 0, 0);
Color color(0, 0, 0, 0);
Sprite test_sprite = game_object.add_component<Sprite>(
- make_shared<Texture>("../asset/texture/img.png"), color,
+ make_shared<Texture>("asset/texture/img.png"), color,
FlipSettings{true, true});
game_object.add_component<ParticleEmitter>(ParticleEmitter::Data{
.position = {0, 0},
diff --git a/src/example/rendering.cpp b/src/example/rendering.cpp
index abd11b1..2157bdc 100644
--- a/src/example/rendering.cpp
+++ b/src/example/rendering.cpp
@@ -31,21 +31,21 @@ int main() {
{
Color color(0, 0, 0, 0);
obj.add_component<Sprite>(
- make_shared<Texture>("../asset/texture/img.png"), color,
+ make_shared<Texture>("asset/texture/img.png"), color,
FlipSettings{false, false});
obj.add_component<Camera>(Color::get_red());
}
{
Color color(0, 0, 0, 0);
obj1.add_component<Sprite>(
- make_shared<Texture>("../asset/texture/second.png"), color,
+ make_shared<Texture>("asset/texture/second.png"), color,
FlipSettings{true, true});
}
/*
{
Color color(0, 0, 0, 0);
- auto img = mgr.cache<Texture>("../asset/texture/second.png");
+ auto img = mgr.cache<Texture>("asset/texture/second.png");
obj2.add_component<Sprite>(img, color, FlipSettings{true, true});
}
*/
diff --git a/src/test/AssetTest.cpp b/src/test/AssetTest.cpp
new file mode 100644
index 0000000..c3ff158
--- /dev/null
+++ b/src/test/AssetTest.cpp
@@ -0,0 +1,33 @@
+#include "api/Config.h"
+#include <gtest/gtest.h>
+
+#include <crepe/Asset.h>
+
+using namespace std;
+using namespace crepe;
+using namespace testing;
+
+class AssetTest : public Test {
+public:
+ Config & cfg = Config::get_instance();
+ void SetUp() override {
+ this->cfg.asset.root_pattern = ".crepe-root";
+ }
+};
+
+TEST_F(AssetTest, Existant) {
+ ASSERT_NO_THROW(Asset{"asset/texture/img.png"});
+}
+
+TEST_F(AssetTest, Nonexistant) {
+ ASSERT_ANY_THROW(Asset{"asset/nonexistant"});
+}
+
+TEST_F(AssetTest, Rootless) {
+ cfg.asset.root_pattern.clear();
+
+ string arbitrary = "\\/this is / /../passed through as-is";
+ Asset asset{arbitrary};
+ ASSERT_EQ(arbitrary, asset.get_path());
+}
+
diff --git a/src/test/AudioTest.cpp b/src/test/AudioTest.cpp
index 6e2706c..e181de9 100644
--- a/src/test/AudioTest.cpp
+++ b/src/test/AudioTest.cpp
@@ -1,9 +1,9 @@
-#include "system/AudioSystem.h"
#include <gtest/gtest.h>
#include <crepe/ComponentManager.h>
#include <crepe/api/AudioSource.h>
#include <crepe/api/GameObject.h>
+#include <crepe/system/AudioSystem.h>
using namespace std;
using namespace crepe;
@@ -17,7 +17,7 @@ public:
void SetUp() override {
auto & mgr = this->component_manager;
GameObject entity = mgr.new_object("name");
- entity.add_component<AudioSource>("../mwe/audio/sfx1.wav");
+ entity.add_component<AudioSource>("mwe/audio/sfx1.wav");
}
};
diff --git a/src/test/CMakeLists.txt b/src/test/CMakeLists.txt
index 1a986bd..5ea90f7 100644
--- a/src/test/CMakeLists.txt
+++ b/src/test/CMakeLists.txt
@@ -4,5 +4,6 @@ target_sources(test_main PUBLIC
ScriptTest.cpp
ParticleTest.cpp
AudioTest.cpp
+ AssetTest.cpp
)
diff --git a/src/test/ParticleTest.cpp b/src/test/ParticleTest.cpp
index 1a89e3a..cd2ec2a 100644
--- a/src/test/ParticleTest.cpp
+++ b/src/test/ParticleTest.cpp
@@ -29,7 +29,7 @@ public:
Color color(0, 0, 0, 0);
Sprite test_sprite = game_object.add_component<Sprite>(
- make_shared<Texture>("../asset/texture/img.png"), color,
+ make_shared<Texture>("asset/texture/img.png"), color,
FlipSettings{true, true});
game_object.add_component<ParticleEmitter>(ParticleEmitter::Data{