Debloat IVideoDriver and IrrlichtDevice includes (#15080)

As the project grows, compile time will not go down unless the header mess
is cleaned up one by one to only include exactly what's needed.

src/client/camera.cpp

@@ -38,6 +38,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "script/scripting_client.h"
 #include "gettext.h"
 #include <SViewFrustum.h>
+#include <IVideoDriver.h>
 
 #define CAMERA_OFFSET_STEP 200
 #define WIELDMESH_OFFSET_X 55.0f

src/client/clientmap.cpp

@@ -22,6 +22,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "client/mesh.h"
 #include "mapblock_mesh.h"
 #include <IMaterialRenderer.h>
+#include <IVideoDriver.h>
 #include <matrix4.h>
 #include "mapsector.h"
 #include "mapblock.h"
@@ -192,6 +193,13 @@ void ClientMap::OnRegisterSceneNode()
 	// we have other way to find it
 }
 
+void ClientMap::render()
+{
+	video::IVideoDriver* driver = SceneManager->getVideoDriver();
+	driver->setTransform(video::ETS_WORLD, AbsoluteTransformation);
+	renderMap(driver, SceneManager->getSceneNodeRenderPass());
+}
+
 void ClientMap::getBlocksInViewRange(v3s16 cam_pos_nodes,
 		v3s16 *p_blocks_min, v3s16 *p_blocks_max, float range)
 {

src/client/clientmap.h

@@ -75,12 +75,7 @@ public:
 
 	virtual void OnRegisterSceneNode() override;
 
-	virtual void render() override
-	{
-		video::IVideoDriver* driver = SceneManager->getVideoDriver();
-		driver->setTransform(video::ETS_WORLD, AbsoluteTransformation);
-		renderMap(driver, SceneManager->getSceneNodeRenderPass());
-	}
+	virtual void render() override;
 
 	virtual const aabb3f &getBoundingBox() const override
 	{

src/client/imagefilters.cpp

@@ -22,6 +22,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include <cassert>
 #include <vector>
 #include <algorithm>
+#include <IVideoDriver.h>
 
 // Simple 2D bitmap class with just the functionality needed here
 class Bitmap {

src/client/render/anaglyph.cpp

@@ -20,6 +20,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 #include "anaglyph.h"
 #include "client/camera.h"
+#include <IrrlichtDevice.h>
 
 
 /// SetColorMaskStep step

src/client/render/core.h

@@ -21,6 +21,11 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #pragma once
 #include "irrlichttypes_extrabloated.h"
 
+namespace irr
+{
+	class IrrlichtDevice;
+}
+
 class ShadowRenderer;
 class Camera;
 class Client;

src/client/render/pipeline.h

@@ -19,6 +19,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #pragma once
 
 #include "irrlichttypes_extrabloated.h"
+#include <IrrlichtDevice.h> // used in all render/*.cpp
+#include <IVideoDriver.h> // used in all render/*.cpp
 
 #include <vector>
 #include <memory>
@@ -31,6 +33,11 @@ class Client;
 class Hud;
 class ShadowRenderer;
 
+namespace irr::video
+{
+	class IRenderTarget;
+}
+
 struct PipelineContext
 {
 	PipelineContext(IrrlichtDevice *_device, Client *_client, Hud *_hud, ShadowRenderer *_shadow_renderer, video::SColor _color, v2u32 _target_size)

src/client/renderingengine.h

@@ -29,6 +29,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "client/render/core.h"
 // include the shadow mapper classes too
 #include "client/shadows/dynamicshadowsrender.h"
+#include <IVideoDriver.h>
 
 #ifdef SERVER
 #error Do not include in server builds

src/client/shadows/dynamicshadows.cpp

@@ -24,6 +24,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "client/clientenvironment.h"
 #include "client/clientmap.h"
 #include "client/camera.h"
+#include <IVideoDriver.h>
 
 using m4f = core::matrix4;
 

src/client/shadows/dynamicshadowsrender.cpp

@@ -32,6 +32,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "EShaderTypes.h"
 #include "IGPUProgrammingServices.h"
 #include "IMaterialRenderer.h"
+#include <IVideoDriver.h>
 
 ShadowRenderer::ShadowRenderer(IrrlichtDevice *device, Client *client) :
 		m_smgr(device->getSceneManager()), m_driver(device->getVideoDriver()),

src/client/shadows/dynamicshadowsrender.h

@@ -21,6 +21,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 #include <string>
 #include <vector>
+#include <IrrlichtDevice.h>
 #include "irrlichttypes_extrabloated.h"
 #include "client/shadows/dynamicshadows.h"
 

src/client/shadows/shadowsScreenQuad.cpp

@@ -18,6 +18,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 */
 
 #include "shadowsScreenQuad.h"
+#include <IVideoDriver.h>
 
 shadowScreenQuad::shadowScreenQuad()
 {