Initial (refactor)HEADmaster

1 files changed, 137 insertions, 0 deletions

diff --git a/data/client.h b/data/client.h
new file mode 100644
index 0000000..77ff948
--- /dev/null
+++ b/data/client.h
@@ -0,0 +1,137 @@
+// file    : data/client.h
+// project : Salis-VM
+// author  : Paul Oliver <contact@pauloliver.dev>
+
+// index:
+// [section] macros
+// [section] trace declarations
+// [section] plot declarations
+
+// ----------------------------------------------------------------------------
+// [section] macros
+// ----------------------------------------------------------------------------
+#define CLIENT_DEFVAL_ENTRIES 0x800l
+#define CLIENT_DEFVAL_HM_LEFT 0l
+#define CLIENT_DEFVAL_HM_PIXEL_COUNT 0x400l
+#define CLIENT_DEFVAL_NTH 1l
+#define CLIENT_DEFVAL_X_AXIS 0
+#define CLIENT_DEFVAL_X_HIGH INT64_MAX
+#define CLIENT_DEFVAL_X_LOW 0l
+
+// Client implementation must define this.
+// Server implementation must not (as it's C not C++).
+#if defined(CLIENT_DECLARE_TRACES_AND_PLOTS)
+
+// ----------------------------------------------------------------------------
+// [section] trace declarations
+// ----------------------------------------------------------------------------
+struct StringComparator {
+    bool operator()(const char *a, const char *b) const;
+};
+
+template <class T>
+struct Trace : public std::vector<T> {
+    Trace();
+    virtual ~Trace();
+    virtual size_t start_offset() const;
+    virtual void trim();
+#if !defined(NDEBUG)
+    virtual void validate() const;
+#endif
+    void clear();
+    void push_back(T value);
+    T *start();
+    T &operator[](size_t n);
+    T operator[](size_t n) const;
+protected:
+    void trim_spec(int64_t multiplier = 1);
+};
+
+template <class T>
+struct TraceNamed : public Trace<T> {
+    TraceNamed(const char *name, const char *label);
+    const char *get_name() const;
+    const char *get_label() const;
+private:
+    const char *m_name;
+    const char *m_label;
+};
+
+template <class T>
+struct TraceHeatmap : public TraceNamed<T> {
+    TraceHeatmap(const char *name, const char *label);
+    size_t start_offset() const;
+    void trim();
+#if !defined(NDEBUG)
+    void validate() const;
+#endif
+};
+
+// ----------------------------------------------------------------------------
+// [section] plot declarations
+// ----------------------------------------------------------------------------
+typedef int (*AxisFormatter)(double value, char *buff, int size, void *data);
+
+struct Plot {
+    Plot(const char *name, const char *section);
+    virtual ~Plot();
+    virtual void handle_input(int key, int mods);
+    virtual void flag_for_reset();
+    const char *get_name() const;
+    const char *get_section() const;
+    void render(const ImVec2 &frame_size);
+    bool m_visible;
+private:
+    static int hex_formatter(double value, char *buff, int size, void *data);
+    virtual AxisFormatter x_formatter() const;
+    virtual AxisFormatter y_formatter() const;
+    virtual float right_margin() const;
+    virtual int flags() const;
+    virtual void render_internal(const ImVec2 &frame_size) = 0;
+    virtual void render_post(const ImVec2 &frame_size);
+    const char *m_name;
+    const char *m_section;
+};
+
+struct PlotLines : public Plot {
+    PlotLines(const char *name, const char *section, std::vector<const char *> trace_keys);
+private:
+    void render_internal(const ImVec2 &frame_size);
+    std::vector<const char *> m_trace_keys;
+};
+
+struct PlotStacked : public Plot {
+    PlotStacked(const char *name, const char *section, std::vector<const char *> trace_keys);
+    void flag_for_reset();
+private:
+    static int percent_formatter(double value, char *buff, int size, void *data);
+    AxisFormatter y_formatter() const;
+    void render_internal(const ImVec2 &frame_size);
+    std::vector<const char *> m_trace_keys;
+    std::vector<bool> m_trace_states;
+    Trace<ImS64> m_trace_totals;
+    std::vector<Trace<double>> m_trace_normals;
+    bool m_needs_reset;
+};
+
+struct PlotHeatmap : public Plot {
+    PlotHeatmap(const char *name, const char *section, const char *trace_key);
+    void handle_input(int key, int mods);
+    void flag_for_reset();
+private:
+    float right_margin() const;
+    int flags() const;
+    void render_internal(const ImVec2 &frame_size);
+    void render_end(const ImVec2 &frame_size);
+    void render_post(const ImVec2 &frame_size);
+    const char *m_trace_key;
+    float m_tex_scale_pow;
+    float m_tex_scale_high;
+    size_t m_tex_rendered_last;
+    size_t m_rows_rendered;
+    GLuint m_tex_id;
+    std::vector<uint8_t> m_tex_render;
+    bool m_needs_reset;
+};
+
+#endif