Files
cup_edit/linux/polyvox_filament_plugin.cc
2022-12-09 11:49:30 +08:00

240 lines
8.9 KiB
C++

#include "include/polyvox_filament/polyvox_filament_plugin.h"
#include <flutter_linux/flutter_linux.h>
#include <flutter_linux/fl_texture_registrar.h>
#include <flutter_linux/fl_texture_gl.h>
#include <gtk/gtk.h>
#include <sys/utsname.h>
#include <math.h>
#include <iostream>
#include <cstring>
#include <vector>
#include <string>
#include <map>
#include <unistd.h>
#include "include/polyvox_filament/filament_texture.h"
#include "include/polyvox_filament/filament_pb_texture.h"
#include "include/polyvox_filament/resource_loader.hpp"
#include "FilamentViewer.hpp"
extern "C" {
#include "PolyvoxFilamentApi.h"
}
#include <epoxy/gl.h>
#include <epoxy/glx.h>
#define POLYVOX_FILAMENT_PLUGIN(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), polyvox_filament_plugin_get_type(), \
PolyvoxFilamentPlugin))
struct _PolyvoxFilamentPlugin {
GObject parent_instance;
FlTextureRegistrar* texture_registrar;
FlView* fl_view;
FlTexture* texture;
void* _viewer;
};
G_DEFINE_TYPE(PolyvoxFilamentPlugin, polyvox_filament_plugin, g_object_get_type())
static FlMethodResponse* _initialize(PolyvoxFilamentPlugin* self, FlMethodCall* method_call) {
if(self->_viewer) {
std::cout << "Deleting existing viewer";
filament_viewer_delete(self->_viewer);
}
auto context = glXGetCurrentContext();
FlValue* args = fl_method_call_get_args(method_call);
const double width = fl_value_get_float(fl_value_get_list_value(args, 0));
const double height = fl_value_get_float(fl_value_get_list_value(args, 1));
auto texture = create_filament_texture(uint32_t(width), uint32_t(height), self->texture_registrar);
//auto texture = create_filament_pb_texture(uint32_t(width), uint32_t(height), self->texture_registrar);
self->texture = texture;
self->_viewer = filament_viewer_new(
(void*)context,
loadResource,
freeResource
);
// don't pass a surface to the SwapChain as we are effectively creating a headless SwapChain that will render into a RenderTarget associated with a texture
create_swap_chain(self->_viewer, nullptr, width, height);
create_render_target(self->_viewer, ((FilamentTextureGL*)texture)->texture_id,width,height);
update_viewport_and_camera_projection(self->_viewer, width, height, 1.0f);
g_autoptr(FlValue) result =
fl_value_new_int(reinterpret_cast<int64_t>(texture));
return FL_METHOD_RESPONSE(fl_method_success_response_new(result));
}
static FlMethodResponse* _loadSkybox(PolyvoxFilamentPlugin* self, FlMethodCall* method_call) {
FlValue* args = fl_method_call_get_args(method_call);
const gchar* path = fl_value_get_string(args);
load_skybox(self->_viewer, path);
g_autoptr(FlValue) result = fl_value_new_string("OK");
return FL_METHOD_RESPONSE(fl_method_success_response_new(result));
}
static FlMethodResponse* _removeSkybox(PolyvoxFilamentPlugin* self, FlMethodCall* method_call) {
std::cout << "Removing skybox" << std::endl;
remove_skybox(self->_viewer);
g_autoptr(FlValue) result = fl_value_new_string("OK");
return FL_METHOD_RESPONSE(fl_method_success_response_new(result));
}
static FlMethodResponse* _set_background_image(PolyvoxFilamentPlugin* self, FlMethodCall* method_call) {
FlValue* args = fl_method_call_get_args(method_call);
const gchar* path = fl_value_get_string(args);
set_background_image(self->_viewer, path);
g_autoptr(FlValue) result = fl_value_new_string("OK");
return FL_METHOD_RESPONSE(fl_method_success_response_new(result));
}
static FlMethodResponse* _add_light(PolyvoxFilamentPlugin* self, FlMethodCall* method_call) {
FlValue* args = fl_method_call_get_args(method_call);
auto type = (uint8_t)fl_value_get_int(fl_value_get_list_value(args, 0));
auto color = (float)fl_value_get_float(fl_value_get_list_value(args, 1));
auto intensity = float(fl_value_get_float(fl_value_get_list_value(args, 2)));
auto posX = (float)fl_value_get_float(fl_value_get_list_value(args, 3));
auto posY = (float)fl_value_get_float(fl_value_get_list_value(args, 4));
auto posZ = (float)fl_value_get_float(fl_value_get_list_value(args, 5));
auto dirX = (float)fl_value_get_float(fl_value_get_list_value(args, 6));
auto dirY = (float)fl_value_get_float(fl_value_get_list_value(args, 7));
auto dirZ = (float)fl_value_get_float(fl_value_get_list_value(args, 8));
auto shadows = fl_value_get_bool(fl_value_get_list_value(args, 9));
auto entityId = add_light(self->_viewer, type, color, intensity, posX, posY, posZ, dirX, dirY, dirZ, shadows);
g_autoptr(FlValue) result = fl_value_new_int(entityId);
return FL_METHOD_RESPONSE(fl_method_success_response_new(result));
}
static FlMethodResponse* _load_glb(PolyvoxFilamentPlugin* self, FlMethodCall* method_call) {
FlValue* args = fl_method_call_get_args(method_call);
auto path = fl_value_get_string(args);
auto entityId = load_glb(self->_viewer, path);
g_autoptr(FlValue) result = fl_value_new_int((int64_t)entityId);
return FL_METHOD_RESPONSE(fl_method_success_response_new(result));
}
static FlMethodResponse* _get_animation_names(PolyvoxFilamentPlugin* self, FlMethodCall* method_call) {
FlValue* args = fl_method_call_get_args(method_call);
auto assetPtr = (void*)fl_value_get_int(args);
g_autoptr(FlValue) result = fl_value_new_list();
auto numNames = get_animation_count(assetPtr);
for(int i = 0; i < numNames; i++) {
gchar out[255];
get_animation_name(assetPtr, out, i);
fl_value_append_take (result, fl_value_new_string (out));
}
return FL_METHOD_RESPONSE(fl_method_success_response_new(result));
}
// Called when a method call is received from Flutter.
static void polyvox_filament_plugin_handle_method_call(
PolyvoxFilamentPlugin* self,
FlMethodCall* method_call) {
g_autoptr(FlMethodResponse) response = nullptr;
const gchar* method = fl_method_call_get_name(method_call);
if(strcmp(method, "initialize") == 0) {
response = _initialize(self, method_call);
} else if(strcmp(method, "loadSkybox") == 0) {
response = _loadSkybox(self, method_call);
} else if(strcmp(method, "removeSkybox") == 0) {
response = _removeSkybox(self, method_call);
} else if(strcmp(method, "resize") == 0) {
// val args = call.arguments as ArrayList<Int>
// val width = args[0]
// val height = args[1]
// val scale = if(args.size > 2) (args[2] as Double).toFloat() else 1.0f
// surfaceTexture!!.setDefaultBufferSize(width, height)
// _lib.update_viewport_and_camera_projection(_viewer!!, width, height, scale);
// result.success(null)
} else if(strcmp(method, "render") == 0) {
render(self->_viewer, 0);
g_autoptr(FlValue) result = fl_value_new_string("OK");
response = FL_METHOD_RESPONSE(fl_method_success_response_new(result));
} else if(strcmp(method, "setBackgroundImage") == 0) {
response = _set_background_image(self, method_call);
} else if(strcmp(method, "addLight") == 0) {
response = _add_light(self, method_call);
} else if(strcmp(method, "loadGlb") == 0) {
response = _load_glb(self, method_call);
} else if(strcmp(method, "getAnimationNames") == 0) {
response = _get_animation_names(self, method_call);
} else {
response = FL_METHOD_RESPONSE(fl_method_not_implemented_response_new());
}
fl_method_call_respond(method_call, response, nullptr);
}
static void polyvox_filament_plugin_dispose(GObject* object) {
G_OBJECT_CLASS(polyvox_filament_plugin_parent_class)->dispose(object);
}
static void polyvox_filament_plugin_class_init(PolyvoxFilamentPluginClass* klass) {
G_OBJECT_CLASS(klass)->dispose = polyvox_filament_plugin_dispose;
}
static void polyvox_filament_plugin_init(PolyvoxFilamentPlugin* self) {}
static void method_call_cb(FlMethodChannel* channel, FlMethodCall* method_call,
gpointer user_data) {
PolyvoxFilamentPlugin* plugin = POLYVOX_FILAMENT_PLUGIN(user_data);
polyvox_filament_plugin_handle_method_call(plugin, method_call);
}
void polyvox_filament_plugin_register_with_registrar(FlPluginRegistrar* registrar) {
PolyvoxFilamentPlugin* plugin = POLYVOX_FILAMENT_PLUGIN(
g_object_new(polyvox_filament_plugin_get_type(), nullptr));
FlView* fl_view = fl_plugin_registrar_get_view(registrar);
plugin->fl_view = fl_view;
plugin->texture_registrar =
fl_plugin_registrar_get_texture_registrar(registrar);
g_autoptr(FlStandardMethodCodec) codec = fl_standard_method_codec_new();
g_autoptr(FlMethodChannel) channel =
fl_method_channel_new(fl_plugin_registrar_get_messenger(registrar),
"app.polyvox.filament/event",
FL_METHOD_CODEC(codec));
fl_method_channel_set_method_call_handler(channel, method_call_cb,
g_object_ref(plugin),
g_object_unref);
g_object_unref(plugin);
}