Add Renderer module - safer way to install custom renderers
lethosor
parent
757c05db86
commit
8de710f1c1
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#include "Export.h"
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#include "df/enabler.h"
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#include "df/graphic.h"
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#include "df/renderer.h"
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#pragma once
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namespace DFHack { namespace Renderer {
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struct DFHACK_EXPORT renderer_wrap : public df::renderer {
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void set_to_null();
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void copy_from_parent();
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void copy_to_parent();
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renderer_wrap *parent;
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renderer_wrap *child;
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virtual void update_tile(int32_t x, int32_t y);
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virtual void update_all();
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virtual void render();
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virtual void set_fullscreen();
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virtual void zoom(df::zoom_commands z);
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virtual void resize(int32_t w, int32_t h);
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virtual void grid_resize(int32_t w, int32_t h);
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virtual ~renderer_wrap() {
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// All necessary cleanup should be handled by RemoveRenderer()
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};
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virtual bool get_mouse_coords(int32_t *x, int32_t *y);
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virtual bool uses_opengl();
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};
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// Returns the renderer instance given on success, or deletes it and returns NULL on failure
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// Usage: renderer_foo *r = AddRenderer(new renderer_foo)
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DFHACK_EXPORT renderer_wrap *AddRenderer(renderer_wrap*, bool refresh_screen = false);
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// Removes and deletes the given renderer instance
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DFHACK_EXPORT void RemoveRenderer(renderer_wrap*);
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DFHACK_EXPORT bool RendererExists(renderer_wrap*);
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inline renderer_wrap *GetRenderer()
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{
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return (renderer_wrap*)(df::global::enabler ? df::global::enabler->renderer : NULL);
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}
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}}
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@ -0,0 +1,156 @@
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#include "DataDefs.h"
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#include "MiscUtils.h"
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#include "modules/Renderer.h"
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using namespace DFHack;
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using df::global::enabler;
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using df::global::gps;
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using DFHack::Renderer::renderer_wrap;
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static renderer_wrap *original_renderer = NULL;
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bool init()
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{
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if (!original_renderer)
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original_renderer = Renderer::GetRenderer();
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return original_renderer;
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}
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renderer_wrap *Renderer::AddRenderer (renderer_wrap *r, bool refresh_screen)
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{
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if (!init())
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{
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delete r;
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return NULL;
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}
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renderer_wrap *cur = GetRenderer();
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r->parent = cur;
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r->child = NULL;
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r->copy_from_parent();
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if (cur != original_renderer)
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{
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cur->child = original_renderer;
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}
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r->copy_from_parent();
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enabler->renderer = r;
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if (refresh_screen && gps)
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gps->force_full_display_count++;
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return r;
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}
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void Renderer::RemoveRenderer (renderer_wrap *r)
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{
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if (r)
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{
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if (original_renderer)
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{
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r->parent->child = r->child;
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if (r->child)
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{
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r->child->parent = r->parent;
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}
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enabler->renderer = r->parent;
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}
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delete r;
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}
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}
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bool Renderer::RendererExists (renderer_wrap *r)
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{
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renderer_wrap *cur = GetRenderer();
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while (cur && cur != r && cur != original_renderer)
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cur = cur->parent;
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return cur == r;
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}
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void Renderer::renderer_wrap::set_to_null() {
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screen = NULL;
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screentexpos = NULL;
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screentexpos_addcolor = NULL;
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screentexpos_grayscale = NULL;
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screentexpos_cf = NULL;
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screentexpos_cbr = NULL;
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screen_old = NULL;
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screentexpos_old = NULL;
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screentexpos_addcolor_old = NULL;
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screentexpos_grayscale_old = NULL;
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screentexpos_cf_old = NULL;
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screentexpos_cbr_old = NULL;
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}
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void Renderer::renderer_wrap::copy_from_parent() {
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screen = parent->screen;
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screentexpos = parent->screentexpos;
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screentexpos_addcolor = parent->screentexpos_addcolor;
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screentexpos_grayscale = parent->screentexpos_grayscale;
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screentexpos_cf = parent->screentexpos_cf;
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screentexpos_cbr = parent->screentexpos_cbr;
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screen_old = parent->screen_old;
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screentexpos_old = parent->screentexpos_old;
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screentexpos_addcolor_old = parent->screentexpos_addcolor_old;
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screentexpos_grayscale_old = parent->screentexpos_grayscale_old;
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screentexpos_cf_old = parent->screentexpos_cf_old;
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screentexpos_cbr_old = parent->screentexpos_cbr_old;
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}
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void Renderer::renderer_wrap::copy_to_parent() {
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parent->screen = screen;
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parent->screentexpos = screentexpos;
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parent->screentexpos_addcolor = screentexpos_addcolor;
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parent->screentexpos_grayscale = screentexpos_grayscale;
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parent->screentexpos_cf = screentexpos_cf;
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parent->screentexpos_cbr = screentexpos_cbr;
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parent->screen_old = screen_old;
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parent->screentexpos_old = screentexpos_old;
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parent->screentexpos_addcolor_old = screentexpos_addcolor_old;
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parent->screentexpos_grayscale_old = screentexpos_grayscale_old;
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parent->screentexpos_cf_old = screentexpos_cf_old;
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parent->screentexpos_cbr_old = screentexpos_cbr_old;
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}
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void Renderer::renderer_wrap::update_tile(int32_t x, int32_t y) {
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copy_to_parent();
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parent->update_tile(x,y);
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};
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void Renderer::renderer_wrap::update_all() {
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copy_to_parent();
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parent->update_all();
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};
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void Renderer::renderer_wrap::render() {
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copy_to_parent();
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parent->render();
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};
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void Renderer::renderer_wrap::set_fullscreen() {
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copy_to_parent();
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parent->set_fullscreen();
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copy_from_parent();
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};
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void Renderer::renderer_wrap::zoom(df::zoom_commands z) {
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copy_to_parent();
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parent->zoom(z);
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copy_from_parent();
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};
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void Renderer::renderer_wrap::resize(int32_t w, int32_t h) {
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copy_to_parent();
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parent->resize(w,h);
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copy_from_parent();
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};
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void Renderer::renderer_wrap::grid_resize(int32_t w, int32_t h) {
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copy_to_parent();
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parent->grid_resize(w,h);
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copy_from_parent();
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};
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bool Renderer::renderer_wrap::get_mouse_coords(int32_t* x, int32_t* y) {
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return parent->get_mouse_coords(x,y);
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};
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bool Renderer::renderer_wrap::uses_opengl() {
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return parent->uses_opengl();
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};
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@ -0,0 +1,58 @@
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#include "Console.h"
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#include "Core.h"
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#include "DataDefs.h"
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#include "Export.h"
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#include "PluginManager.h"
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#include "modules/Screen.h"
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#include "modules/Renderer.h"
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#include "df/enabler.h"
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#include "df/renderer.h"
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//#include "df/world.h"
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using namespace DFHack;
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DFHACK_PLUGIN("renderer-msg");
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DFHACK_PLUGIN_IS_ENABLED(is_enabled);
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REQUIRE_GLOBAL(enabler);
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REQUIRE_GLOBAL(gps);
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struct scdata {
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uint8_t ch, fg, bg, bold;
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};
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struct renderer_msg : public Renderer::renderer_wrap {
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virtual void update_tile (int32_t x, int32_t y) {
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static std::string str = std::string("DFHack: ") + plugin_name + " active";
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Screen::paintString(Screen::Pen(' ', 9, 0), 0, gps->dimy - 1, str);
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for (size_t i = 0; i < gps->dimx; ++i)
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((scdata*)screen)[i * gps->dimy + gps->dimy - 1].bg = 2;
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renderer_wrap::update_tile(x, y);
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};
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};
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DFhackCExport command_result plugin_init (color_ostream &out, std::vector <PluginCommand> &commands)
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{
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return CR_OK;
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}
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static Renderer::renderer_wrap *w = NULL;
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DFhackCExport command_result plugin_enable (color_ostream &out, bool enable)
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{
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if (is_enabled == enable)
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return CR_OK;
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CoreSuspender s;
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is_enabled = enable;
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if (enable)
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w = Renderer::AddRenderer(new renderer_msg, true);
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else
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Renderer::RemoveRenderer(w);
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return CR_OK;
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}
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DFhackCExport command_result plugin_shutdown (color_ostream &out)
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{
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plugin_enable(out, false);
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return plugin_enable(out, false);
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}
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